✦ ❖ ✦

DAAT · LEVEL 4 — HALAKHA LE-MA'ASSE / PSAK

שולחן ערוך · יורה דעה

הלכות בשר בחלב — Practical psika

סימן פ״ז · הלכה למעשה

בשר בחלב — איסור והיתר

פסק המחבר והרמ״א · הכרעת נושאי הכלים · פסיקת הספרדים והאשכנזים בזמננו

⚖️ פסק הלכה ולמעשה ⚖️

✦ ❖ ✦

Halakha le-ma'asse — the practical psika

From the ruling of the Mehaber and the Rama, to the arbitration of the Shach, the Taz, the Pri Megadim
and the Pitchei Teshuva, all the way to the contemporary Sephardic and Ashkenazi poskim

Subject:
שולחן ערוך יורה דעה סימן פ״ז (י״א סעיפים)
עם נושאי הכלים: ש״ך, ט״ז, פרי מגדים, פתחי תשובה

⚠ Level disclaimer:
This level is not "Da'at HaRav": the Shulchan Aruch HaRav
(the Admur HaZaken) does not cover Yoreh De'ah, hence not Siman 87.
It is a level of practical psika: what one does, and whom to ask.

Writing and iyun:
הרב יוסף חיים סממה · DAAT

How to read this level. Every statement is anchored either in the text of the Shulchan Aruch and its nossei kelim (Shach, Taz, Pri Megadim, Pitchei Teshuva), or in a named responsum of the contemporary poskim. On Yoreh De'ah there is neither a Mishnah Berurah (which comments only on Orach Chaim), nor a Shulchan Aruch HaRav / Da'at HaRav (the Admur HaZaken did not write the YD). Every concrete application (le-ma'asse) concludes with the referral to your Rav: real cases blend factual details (temperature, utensils, proportions) that only a posek who sees your situation can decide.

📑 תוכן העניינים

שורש האיסור — שלושה לאוין מהתורה (Chullin קט״ו:)
פסק המחבר והרמ״א — מסגרת ההלכה בי״א סעיפים
על איזו בשר נוהג האיסור — דאורייתא, דרבנן, או מותר לגמרי
הכרעת נושאי הכלים — ש״ך, ט״ז, פר״מ, פתחי תשובה
בשר עוף בחלב — דרבנן, והנפקא מינה למעשה
חלב שקדים, סויה, מראית העין — Plant-based milk and meat
דגים בחלב — נקודת הסכנה (לא בשר בחלב)
הנאה — מתי אסור ומתי מותר ליהנות
פסיקת הספרדים בזמננו — Yabia Omer, Yehaveh Da'at, Yalkut Yossef, Or LeTzion
פסיקת האשכנזים — Iggrot Moshe and the acharonim
מאכלים תעשייתיים — Industrial foods, additives, "pareve"
סיכום מעשי וטבלאות — ולמעשה, שאל את רבך

📜 The text of the Shulchan Aruch — Seif Alef

כָּתוּב בַּתּוֹרָה "לֹא תְבַשֵּׁל גְּדִי בַּחֲלֵב אִמּוֹ" ג' פְּעָמִים: אֶחָד לְאִסּוּר בִּשּׁוּל, וְאֶחָד לְאִסּוּר אֲכִילָה, וְאֶחָד לְאִסּוּר הֲנָאָה.

וְהוֹצִיא אֲכִילָה בִּלְשׁוֹן בִּשּׁוּל, לוֹמַר שֶׁאֵינוֹ אָסוּר מִן הַתּוֹרָה אֶלָּא דֶּרֶךְ בִּשּׁוּל, אֲבָל מִדְּרַבָּנָן אָסוּר בְּכָל עִנְיָן.

(הגה): כָּל בָּשָׂר בְּחָלָב שֶׁאֵינוֹ אָסוּר מִן הַתּוֹרָה — מֻתָּר בַּהֲנָאָה (טוּר וְאָרוֹךְ כְּלָל ל').

Three Torah prohibitions. It is written in the Torah, "You shall not cook a kid in its mother's milk," three times: one to prohibit cooking, one to prohibit eating, one to prohibit benefit (hana'a).

The Torah expressed eating through the word "cooking" to teach that the prohibition of the Torah applies only to what was prepared "in the manner of cooking" (derekh bishul); but by rabbinic institution it is forbidden in every manner.

Gloss of the Rama: any mixture of meat and milk that is not forbidden by the Torah is permitted for benefit (hana'a).

— Shulchan Aruch, Yoreh De'ah 87:1 · talmudic basis: Chullin 113a–115b · Sefaria YD 87:1

1. שורש האיסור — three laws of the Torah

The foundation. The verse "לֹא תְבַשֵּׁל גְּדִי בַּחֲלֵב אִמּוֹ" appears three times (Shemot 23:19; Shemot 34:26; Devarim 14:21). The Sages (Chullin 115b) derive from it three Torah-level (deoraita) prohibitions: (1) cooking (bishul), (2) eating (akhila), (3) benefit (hana'a). The Mehaber opens the siman precisely on these three prohibitions.

Why "cooking"? The Mehaber explains that the Torah expressed the prohibition of eating through the word "to cook" in order to teach that the Torah-level prohibition — including that of eating — applies only to a mixture cooked together (derekh bishul). The Shach (s.k. 1) clarifies: "אבל לא ע״י כבוש ומליחה שאינו דרך בישול" — a mixture obtained through soaking (kavush) or salting (melicha), which does not resemble cooking, is forbidden only mi-derabbanan.

Benefit (hana'a). The Pitchei Teshuva (s.k. 2) clarifies two points regarding the prohibition of hana'a. First, is one liable to lashes (lokeh) for the benefit? The Rambam says no; other poskim say yes. Second, in the name of the Pri Megadim (in his Petichah), he raises a doubt: is a half-measure (חצי שיעור) also forbidden min ha-Torah for cooking and benefit? For eating, we hold that the half-measure is forbidden mi-Torah; for cooking and hana'a, this remains "צ״ע" (requiring further examination). The Rama (in the seif), following the Tur and the Aroch (kelal 30), lays down the rule for what is not deoraita: "כל בשר בחלב שאינו אסור מן התורה מותר בהנאה" — whatever is not forbidden by the Torah is permitted for benefit.

A machloket on hana'a (worth knowing)

The Taz (s.k. 1) notes that the Maharshal (Yam Shel Shlomo, Chullin ch. 25 §100) disputes the Rama, the Rambam, and the Mordechai, holding "מסברא להחמיר בהנאה" — that one should be strict even regarding benefit. But the Taz rules: "ואנו אין לנו אלא דברי הראשונים והאחרונים" — we follow the Rishonim and the Acharonim, hence the Rama. Le-ma'asse: whatever is not deoraita is permitted for benefit.

2. פסק המחבר והרמ״א — the map of the siman

Siman 87 contains 11 seifim. The Mehaber (Rabbi Yosef Karo) lays the framework; the Rama (הגה) glosses for the Ashkenazi minhag. Here is the overall map, as it emerges from the text itself.

Seif	Subject	Psak (anchored in the text)
1	The 3 prohibitions; "derekh bishul"	Cooking / eating / benefit are deoraita; eating is deoraita only when cooked together. Non-deoraita = permitted for benefit (Rama).
2	"גדי" is not exclusive	Includes ox, sheep, goat (שור, שה, עז) and any milk, of the mother or another — דבר הכתוב בהווה.
3	On which meat the prohibition applies	Deoraita: meat of a tehora beheima + milk of a tehora beheima. Kosher poultry / wild beast = rabbinic prohibition of eating. Fish and locusts = nothing. Rama: almond milk + poultry permitted; meat of a beheima → place almonds beside it (mar'it ayin).
4	Human milk (חלב אשה); mar'it ayin	One does not cook with it, due to mar'it ayin; if it falls into a dish → batel without a shiur. Rama: a fortiori it is forbidden to cook lechatchila with impure milk / impure meat; but with poultry (rabbinic) one need not worry.
5	Eggs found inside poultry	A "complete" egg (yolk + white) → permitted with milk; yolk alone → one does not cook (= eat) it with milk.
6	Smoked food, thermal waters, milk of a dead/male animal	No malkut; but איסורא מיהא איכא (Shach s.k. 13). Rama: מי חלב and חלב מתה render the dish forbidden; חלב זכר does not. Precautions (utensils, stirring) = חומרות; "the one who is lenient has lost nothing."
7	Fetus, placenta, skin, sinews, bones	Fetus (שליל) → forbidden; placenta, skin, sinews, bones, horns, soft hooves → patur (Shach s.k. 22: ה״נ איסורא מיהא איכא — a prohibition nonetheless remains).
8–9	נסיובי / מי חלב (whey)	Disputed definition of "whey" and of its status (deoraita or not).
10–11	Milk of the abomasum (קיבה), rennet	Curdling with milk taken from the abomasum: rules of 60 (בטל בס׳), the distinction צלול / קרוש, skin of a kosher animal's abomasum vs nevela.

כלל הפסק של הסימן :
שלושה מעגלים — דאורייתא (בשר בהמה טהורה + חלב בהמה טהורה, דרך בישול), דרבנן (עוף, חיה, וכל מה שלא נתבשל דרך בישול), מותר לגמרי (דגים, חגבים, חלב טמא עם בשר טהור ואיפכא). כל הפסיקה בסימן סובבת על ההבחנה הזו.

3. על איזו בשר נוהג האיסור — the three circles

אֵינוֹ נוֹהֵג אֶלָּא בִּבְשַׂר בְּהֵמָה טְהוֹרָה בַּחֲלֵב בְּהֵמָה טְהוֹרָה. אֲבָל בְּשַׂר טְהוֹרָה בַּחֲלֵב טְמֵאָה, אוֹ בְּשַׂר טְמֵאָה בַּחֲלֵב טְהוֹרָה — מֻתָּרִים בְּבִשּׁוּל וּבַהֲנָאָה. וּבְשַׂר חַיָּה וְעוֹף אֲפִלּוּ בְּחָלָב טְהוֹרָה — מֻתָּר בְּבִשּׁוּל וּבַהֲנָאָה, וְאַף בַּאֲכִילָה אֵינוֹ אָסוּר אֶלָּא מִדְּרַבָּנָן. אֲבָל דָּגִים וַחֲגָבִים — אֵין בָּהֶם אִסּוּר אֲפִלּוּ מִדְּרַבָּנָן.

— Shulchan Aruch YD 87:3 · Chullin 113a

Circle	Case	Cooking	Eating	Benefit
① Deoraita	Meat of a tehora beheima + milk of a tehora beheima, cooked together	Forbidden mi-Torah	Forbidden mi-Torah	Forbidden mi-Torah
② Permitted (one impure side)	Tehora meat + impure milk, or impure meat + tehora milk	Permitted (bassar be-halav)*	—**	Permitted
③ Derabbanan	Poultry (עוף) or kosher wild beast (חיה) + tehora milk	Permitted mi-Torah	Forbidden derabbanan	Permitted mi-Torah
④ No prohibition	Fish and locusts (דגים וחגבים) + milk	Permitted	Permitted (bassar be-halav)***	Permitted

* As for the mixture of tehora meat + impure milk, eating remains forbidden on other grounds (impure meat or milk), not under the heading of bassar be-halav. ** see Taz/Shach §4. *** subject to the separate "sakana" note in §7 below.

A weighty clarification from the Shach (s.k. 4). The Shach stresses that according to the Mehaber, the meat of a wild beast and of poultry is forbidden to eat "אפילו דרך בישול אלא מדרבנן" — even when cooked, it is only derabbanan — and that it is entirely permitted for benefit and for cooking. He notes that the Maharshal and the Bach (relying on the Maharai in Sha'arei Dura) wished to establish that poultry+milk would be deoraita, but the Shach defends at length, "מן הש״ס," the view that it is derabbanan, and concludes that the Rambam (Hilchot Mamrim 2) even places the one who says "poultry+milk is forbidden min ha-Torah" within the category of בל תוסיף.

4. הכרעת נושאי הכלים — the arbitration of Shach / Taz / Pri Megadim / Pitchei Teshuva

On Yoreh De'ah, it is these nossei kelim — and not the Mishnah Berurah, which exists only on Orach Chaim — that constitute the jurisprudence. Here are the arbitrations that weigh le-ma'asse, all anchored in the corpus of the siman.

א. The nature of the prohibition of "one impure side" (seif 3)

The Bach (reported by the Shach s.k. 3 and the Taz s.k. 2) wished to say that tehora meat + impure milk would still be forbidden derabbanan under the heading of bassar be-halav, with a נפקא מינה for "חתיכה נעשית נבילה" and for the "חתיכה הראויה להתכבד" (siman 101). The Shach (s.k. 3) and the Taz (s.k. 2) both refute this at length: nowhere do we find that an impure side is forbidden under the heading of bassar be-halav; the only truly disputed case is poultry. The Mishnah itself teaches only "permitted for cooking and benefit" regarding the impure beheima. Le-ma'asse: a single impure side is not bassar be-halav.

ב. Mar'it ayin and almond milk (seif 3, Rama)

The Rama reports the minhag: one makes "almond milk" (חלב שקדים) and places poultry meat in it, since it is only derabbanan; but with beheima meat, one must place almonds beside it, due to mar'it ayin (as with blood, siman 66). The Shach (s.k. 6) adds, in the name of the Maharshal (ch. 25 §52), that there is reason to place almonds even beside poultry — "דאיכא למיחש טפי שלא ידמו לומר בשר עוף בחלב שרי," lest one think that poultry+milk is outright permitted. The Shach also clarifies (s.k. 7) that all this concerns only eating: for cooking alone (e.g., for a medical purpose), there is no mar'it ayin.

The Pitchei Teshuva (s.k. 10) qualifies and softens: he writes, citing the Nachalat Tzvi, that one should not forbid placing poultry in almond milk without almonds beside it, except "אם הוא בפני הרואים כמו בסעודות גדולות" — in front of guests, as at large meals, where there is a real mar'it ayin; "אבל בביתו מותר" — but at home it is permitted. And he recalls that the Taz holds that in the absence of almonds one does not, on that account, forbid eating.

Le-ma'asse. In public (community meals, a table set for guests), it is proper to place the almonds visibly — or to clearly identify the plant-based milk — beside a meat dish. At home, the practice is more lenient. To know, in your specific situation, what counts as "public" and what suffices as a distinguishing sign, ask your Rav.

ג. Eggs found inside poultry (seif 5)

The Mehaber writes "אסור לבשלם בחלב." The Shach (s.k. 11) corrects an overly literal reading: "לבשל פשיטא דשרי" — to cook is obviously permitted, since even the poultry alone is permitted for cooking; "אלא האי לבשלם ר״ל לאכלם" — here "to cook them" means "to eat them." Thus: a complete egg (yolk + white) may be eaten with milk; an egg with yolk alone, not. The Pitchei Teshuva (s.k. 12, in the name of the Ya'avetz) adds a leniency: if the hen laid it during its lifetime, in its natural way, even with a soft shell, it is permitted with milk lechatchila.

5. בשר עוף בחלב — poultry, and what follows from it

The cardinal point. Poultry (עוף) + milk: eating is forbidden derabbanan only; cooking and benefit are permitted mi-Torah (seif 3, Chullin 113a; Shach s.k. 4). This "derabbanan" classification generates several practical leniencies that the nossei kelim exploit.

Practical case	Rule	Source (corpus)
Cooking poultry in a dairy utensil that is eino ben-yomo (for a non-Jew)	Permitted according to the Chamudei Daniel — "כל שאינו אסור רק מדרבנן לא גזרו בבישול והנאה" — but there is reason to be strict (Rama seif 6, stirring)	Pitchei Teshuva s.k. 8
Almond milk + poultry, without almonds beside it, at home	Permitted (no real mar'it ayin); in public, place a sign	Pitchei Teshuva s.k. 10; Shach s.k. 6
A complete egg found inside the poultry + milk	Permitted to eat; yolk alone, not	Mehaber + Shach s.k. 11; PT s.k. 12

Caution — what "derabbanan" does not say. That poultry+milk is derabbanan does not mean one may eat cheese and then chicken without precaution. The Shach (s.k. 4) explicitly discusses the link the Tosafot draw between this status and the waiting period before cheese (beginning of siman 89), and remains cautious. The waiting period itself belongs to siman 89, not 87.

6. חלב שקדים, סויה, מראית העין — plant-based milk and meat

The Rama's principle (seif 3). Cooking / eating meat with a "milk" that is not milk (almond milk of old, soy milk, oat milk, coconut milk today) is permitted in substance: there is no milk at all. The only problem is mar'it ayin — the suspicion of the one who sees. Hence the practice of placing a distinguishing sign (the almonds, in the past) beside a meat dish prepared with a plant-based "milk."

The Shach (s.k. 6) builds the criterion. He distinguishes it from fish blood (siman 66): collected fish blood is forbidden by mar'it ayin unless scales remain that distinguish it, because blood itself is deoraita and one who sees it might think it is animal blood. For plant-based milk with meat, the mechanism is the same: one fears the onlooker might think it is real milk. The Shach demonstrates, through several sources (Shabbat 54b; 64b; Tosafot Ketubot 60a), that one is concerned about mar'it ayin even for a rabbinic prohibition.

Le-ma'asse today (plant-based milks). Cooking meat with soy, almond, oat, or coconut milk is permitted in substance. The live question is: does mar'it ayin still apply when these products are in common use and labeled "plant-based / pareve"? Several poskim are lenient when the plant-based character is obvious (a label on the packaging, context). But this is precisely the kind of detail (public/private, visibility of the label) that depends on the situation: ask your Rav what you may do at your table.

7. דגים בחלב — a distinct point (sakana, not bassar be-halav)

אֲבָל דָּגִים וַחֲגָבִים — אֵין בָּהֶם אִסּוּר אֲפִלּוּ מִדְּרַבָּנָן.

— Shulchan Aruch YD 87:3

Do not confuse two things. On the level of bassar be-halav, fish + milk = nothing at all (seif 3). A separate debate exists, on grounds of health / sakana: may one eat fish with milk? This is a point of the Acharonim, not the prohibition of meat with milk.

The health machloket, in the corpus

The Shach (s.k. 5) rules for permission. The Beit Yosef and the Levush had written that one does not eat fish with milk "מפני הסכנה" (because of danger). The Shach replies that this is an error (טעות): "כל יומא ויומא נהגינן הכי לבשל דגים בחלב ולאכול" — every single day we cook and eat fish in milk; the danger was stated only regarding fish + meat, not fish + milk. The Darkei Moshe and the Be'er Sheva already pointed this out.
The Taz (s.k. 3) goes in the same direction: the phrase in the Beit Yosef is a copyist's error (ט״ס) — it should read "with meat" (as in Orach Chaim 173), not "with milk."
The Pitchei Teshuva (s.k. 9) reports both camps: some (Chinuch Beit Yehuda, Adnei Paz in the name of the Bachya) are strict regarding fish cooked in milk, but the Chatam Sofer (responsum 101) replies "דזה אינו אמת ונאמן עלינו הרמב״ם גדול הרופאים." The Pitchei Teshuva concludes: "דהאידנא שכל העולם מבשלים גם עם חלב שרי" — today, when everyone does so, it is permitted.

Le-ma'asse. Fish with milk is widely permitted (Shach, Taz, Chatam Sofer, Pitchei Teshuva); nonetheless, many Sephardic families abstain by a minhag of caution. Fish with meat, on the other hand, is the subject of a sakana restraint (Orach Chaim 173) that the practice observes. For your exact family practice, ask your Rav.

8. הנאה — when benefit is forbidden, when it is permitted

The rule (Rama, seif 1). Hana'a is forbidden only on what the Torah forbids. Everything that is not deoraita — poultry+milk, an uncooked mixture (kavush, melicha), one impure side — is permitted for benefit (Tur, Aroch kelal 30; Shach s.k. 2). The Taz (s.k. 1) upholds this view against the Maharshal, who wished to be strict.

A classic application: the candle / lighting. The Pitchei Teshuva (s.k. 4) reports the Sha'ar Efraim (resp. 38): butter cooked in a meat pot that is ben-yomo becomes forbidden for benefit, and one may not use it to light the house; even for the Chanukah candles — although "מצוות לאו ליהנות ניתנו" — it is problematic, because Chanukah requires a quantity (shiur) and a prohibition of hana'a means "כתותי מכתת שיעורא" (the measure is regarded as pulverized). The Pitchei Teshuva notes the divergent views (some permit it for Chanukah).

When the mixture is not cooked. The Shach (s.k. 19) clarifies, on the Rama's gloss (seif 6), that rinse water from meat utensils mixed with water from dairy utensils is forbidden for benefit only if one combined them while scalding hot ("כשהדיחם במים רותחים ועירבם כך רותחין") — otherwise, not being "derekh bishul," they are not forbidden for benefit. This is the direct application of seif 1.

Le-ma'asse. A deoraita mixture of meat and milk is forbidden for benefit: one does not sell it, give it away, or make use of it (e.g., for lighting — PT s.k. 4 in the name of the Sha'ar Efraim). A non-deoraita mixture: benefit is permitted. But determining whether a concrete case is "cooked together" in the halakhic sense (frying, microwave, hotplate, "hot into hot") is a question debated among the Acharonim (the Pri Chadash includes frying — PT s.k. 3; others are lenient) — ask your Rav.

9. פסיקת הספרדים בזמננו — the contemporary Sephardic psika

Note on method. The responsa that follow (Yabia Omer, Yehaveh Da'at, Yalkut Yossef, Or LeTzion) extend the principles of siman 87 above to modern cases. They do not appear in the corpus of the siman; they are cited as recognized streams of psika, to be confirmed with a Rav before any application.

א. The common Sephardic foundation

The contemporary Sephardic psika (the school of Rav Ovadia Yosef, Rav Ben-Tzion Abba Shaul) begins precisely from the framework of the Mehaber studied above: poultry+milk = derabbanan (seif 3, Shach s.k. 4); plant-based milks permitted in substance, governed by mar'it ayin (seif 3 Rama, Shach s.k. 6); hana'a permitted on the non-deoraita (seif 1 Rama, Taz s.k. 1).

Concrete case	Sephardic orientation (to be verified)
Poultry + milk	Derabbanan (the Mehaber rules thus, seif 3). It remains forbidden to eat; cooking/benefit permitted. No deoraita bassar be-halav.
Almond / soy milk with a meat dish	Permitted in substance. The Shach's mar'it ayin (s.k. 6) is eased when the plant-based character is obvious (a "pareve" label, widespread use); at a public meal, a distinguishing sign is recommended.
Hard cheese then meat (waiting period)	Belongs to siman 89, not 87. The Sephardic school does not require the 6-hour wait after ordinary hard cheese (unlike an Ashkenazi practice), except for very aged / matured cheeses depending on the details — to be confirmed.
Fish + milk	Permitted according to the Shach (s.k. 5) and the Pitchei Teshuva (s.k. 9); many Sephardic families abstain by a minhag of caution.

Anchoring in the siman. All of the above follows directly from the text: the rabbinic prohibition of eating poultry (seif 3 + Shach s.k. 4), the fundamental permission of non-dairy "milks" (seif 3 Rama), and the criterion of mar'it ayin (Shach s.k. 6, Taz s.k. 4). The contemporary responsa invent nothing: they apply these rules to today's products.

10. פסיקת האשכנזים — the Ashkenazi psika

Note on method. The same remark applies: these streams extend the Rama and the nossei kelim; they are cited as landmarks of psika, to be confirmed with a Rav.

The Ashkenazi psika begins from the Rama and the Ashkenazi acharonim (Chochmat Adam, Aruch HaShulchan YD, and for the 20th century the Iggrot Moshe). On siman 87 itself, the divergences from the Sephardic foundation are slight, since the Rama and the Mehaber agree on the essence of the three circles.

Concrete case	Ashkenazi orientation (to be verified)
Poultry + milk	Derabbanan likewise. The Shach (s.k. 4) notes that the Maharshal and the Bach inclined to be strict (deoraita) in the name of the Maharai, but the Shach maintains "derabbanan." Le-ma'asse: forbidden to eat, permitted for cooking/benefit.
Almond / plant-based milk + meat	The Rama requires the distinguishing sign (almonds) beside beheima meat; the Shach (s.k. 6) extends it even to poultry. Ashkenazi tendency: greater attentiveness to mar'it ayin, especially in public.
Precautions of seif 6 (utensils, stirring)	The Rama lists several חומרות (rinse water, the pots of non-Jews); he concludes "ובדיעבד אין לחוש בכל זה... והמיקל לא הפסיד." Thus: strict lechatchila, lenient bedi'avad.
Forbidden cooked bassar be-halav	A deoraita mixture = forbidden for benefit: one does not sell it, does not use it (e.g., for lighting — Pitchei Teshuva s.k. 4 / Sha'ar Efraim). Modern question (Iggrot Moshe and others): the status of industrial residues — see §11.

Chabad — only through real sources. The Shulchan Aruch HaRav does not cover Yoreh De'ah; there is therefore no "Da'at HaRav" on siman 87. For the Chabad practice on these questions, one refers to the responsa of the Tzemach Tzedek and to the Sefer HaMinhagim Chabad when they explicitly address a point — and one refrains from attributing to the Admur HaZaken a ruling he did not write here.

11. מאכלים תעשייתיים — industrial foods and additives

How siman 87 sheds light on industry. Three tools of the siman serve to decide modern cases: (1) the distinction derekh bishul / not cooked (seif 1, Shach s.k. 1); (2) rennet and abomasum enzymes (seifim 10–11); (3) mar'it ayin for imitations (seif 3 Rama, Shach s.k. 6).

Industrial case	Tool of the siman	Orientation (to be confirmed with the Rav)
Animal rennet in a cheese	Seif 11: skin of a kosher animal's abomasum (טעם → בטל בס׳) vs nevela (אוסר בכל שהוא — Mehaber seif 11; Shach s.k. 35)	The Rama (seif 11): "דבר האסור בעצמו ומעמיד אפילו באלף לא בטיל" — a forbidden coagulating agent (ma'amid) is not nullified, even in a thousand; hence the issue of the rennet's kashrut.
Flavoring / milk powder in a "meat" product	Seif 1: deoraita only if "cooked together"; mar'it ayin otherwise	If a dairy powder is cooked with beheima meat → potentially deoraita; poultry → derabbanan. The quantity (shiur, batel be-shishim) is dealt with in simanim 98 onward.
"Pareve" containing traces	Seif 3: plant-based milks permitted; problem of mar'it ayin	A plant-based substitute in a meat dish is permitted in substance; a legible "pareve" label mitigates the mar'it ayin according to several poskim.
Residue of deoraita bassar be-halav	Seif 1: forbidden for benefit; PT s.k. 4 (Sha'ar Efraim) on lighting	A deoraita mixture remains forbidden for benefit; do not reuse it, resell it, or use it for lighting ("כתותי מכתת שיעורא").

Le-ma'asse. Industrial products (E additives, flavorings, microbial or animal rennet, whey powders, "pareve") blend questions of fact — which source, which quantity, cooked or not — that only a kashrut agency and your Rav can decide. The practical rule: rely on a trustworthy certification, and for any doubt, ask your Rav.

12. סיכום מעשי — summary and tables

טבלה — the three circles, in practice

Mixture	Cooking	Eating	Benefit	Level
Kosher beheima meat + kosher milk, cooked together	❌	❌	❌	Deoraita
Poultry / kosher wild beast + milk	✔	❌	✔	Derabbanan (eating)
Meat + milk by soaking / salting (not cooked)	—	❌	✔	Derabbanan
Kosher meat + impure milk / impure meat + kosher milk	✔*	—**	✔	Permitted (b.b.h.)
Meat + plant-based milk (almond, soy…)	✔	✔***	✔	Permitted (mar'it ayin)
Fish / locusts + milk	✔	✔****	✔	None (b.b.h.)

* under the heading of bassar be-halav. ** forbidden on other grounds (impure meat/milk). *** distinguishing sign in public (mar'it ayin). **** subject to the "sakana" minhag of caution.

טבלה — who says what (the nossei kelim of the siman)

Posek	Decisive contribution (anchored in the corpus)
Mehaber (seifim 1–11)	3 deoraita prohibitions; "derekh bishul"; 3 circles (deoraita / derabbanan / permitted); mar'it ayin of human milk.
Rama (הגה)	Non-deoraita permitted for benefit; almond milk + distinguishing sign; precautions of seif 6 (חומרות, "the one who is lenient has lost nothing").
Shach (Siftei Kohen)	"Derekh bishul" excludes kavush/melicha (s.k. 1); poultry = derabbanan, lengthy defense (s.k. 4); fish+milk permitted, the Beit Yosef erred (s.k. 5); mar'it ayin even derabbanan, almonds even beside poultry (s.k. 6).
Taz (Turei Zahav)	Follows the Rama against the Maharshal on hana'a (s.k. 1); one impure side is not bassar be-halav (s.k. 2); "fish in milk" = copyist's error, read "meat" (s.k. 3).
Pri Megadim (פר״מ)	Frying included in "bishul" (reported PT s.k. 3); status of hana'a and of the חצי שיעור in cooking/benefit (PT s.k. 2); rules that the non-deoraita remains forbidden for benefit min ha-Torah according to some (PT s.k. 6).
Pitchei Teshuva (פתחי תשובה)	Liability (lokeh) and חצי שיעור in cooking/benefit (s.k. 2); frying included in the bishul, in the name of the Pri Chadash (s.k. 3); butter forbidden for benefit → lighting / Chanukah candle, Sha'ar Efraim (s.k. 4); fish+milk permitted today (s.k. 9); almond milk at home permitted without almonds (s.k. 10); cooking poultry in a dairy utensil eino ben-yomo (s.k. 8).

טבלה — contemporary streams of psika (outside the corpus, to be verified)

Sephardic: the school of Rav Ovadia Yosef (Yabia Omer, Yehaveh Da'at), Yalkut Yossef; Or LeTzion (Rav Ben-Tzion Abba Shaul). They extend the Mehaber: poultry derabbanan, plant-based milks permitted and governed by mar'it ayin, fish in milk permitted (with a variable minhag of caution).

Ashkenazi: Iggrot Moshe (Rav Moshe Feinstein) and the acharonim (Chochmat Adam, Aruch HaShulchan YD, Be'ur HaGra). They extend the Rama: heightened attention to mar'it ayin, the חומרות of seif 6 lechatchila / leniency bedi'avad.

Chabad: no Shulchan Aruch HaRav on the YD. One cites only real sources — responsa of the Tzemach Tzedek, the Sefer HaMinhagim — when they explicitly address the point.

Sefaria links (text and nossei kelim)

Shulchan Aruch YD 87: 87:1 · 87:3 · 87:6 · 87:11
Shach (Siftei Kohen): 87 s.k. 1 · 87 s.k. 4 · 87 s.k. 5 · 87 s.k. 6
Taz (Turei Zahav): 87 s.k. 1 · 87 s.k. 2 · 87 s.k. 3
Pitchei Teshuva: 87 s.k. 2 · 87 s.k. 9 · 87 s.k. 10

👈 הלכה למעשה — the golden rule of this level

In substance, retain the three circles (deoraita / derabbanan / permitted): this is the grid that resolves 90% of cases.
Poultry+milk = derabbanan; plant-based milks = permitted with attention to mar'it ayin; fish+milk = permitted (with a possible minhag of restraint).
Industrial products: rely on a trustworthy certification.
And for any real case — temperature, utensils, proportions, public or private — halakha le-ma'asse goes through your Rav.

← Level 3 — Synthesis ↑ Siman פ״ז — contents

~ ~ ~ ~ ~
DAAT · הרב יוסף חיים סממה
תלמיד חכם · מעביר שיעורים בהלכה ובחסידות
פסק והלכה למעשה בהלכות בשר בחלב · סימן פ״ז · ⚖️ Level 4 — Halakha le-ma'asse

⚠️ This content is for study purposes. The contemporary streams of psika cited (Sephardic and Ashkenazi) are landmarks, not a personal psak. For any practical application (לְמַעֲשֶׂה), consult a qualified Rav.

📖Join the khavruta