What Does Kosher Mean?
The word kosher (כָּשֵׁר) is a Hebrew word meaning "fit," "proper," or "acceptable." In the context of food, it refers to the Jewish dietary laws known as kashrut (כַּשְׁרוּת), derived from the Torah (the five books of Moses) and elaborated in the Talmud and centuries of rabbinic scholarship.
Kashrut governs what foods Jews may eat, how they must be prepared and processed, and — critically — how different categories of food must be kept completely separate from one another. The most fundamental rule is the absolute prohibition of mixing meat and dairy.
All kosher meat and poultry. Must be kept strictly separate from dairy. Cannot be cooked or eaten together with dairy products.
All dairy products — milk, cheese, butter, yogurt. Must come from a kosher animal and cannot be mixed with meat.
Neither meat nor dairy. Fish, eggs, fruits, vegetables, and grains. Can be eaten with both meat and dairy meals.
Kosher Certifications — How to Read a Hechsher
A hechsher (הֶכְשֵׁר) is a kosher certification mark — the symbol on a food product indicating it has been certified by a recognized rabbinical agency. Here are the major certifications you'll find at One Stop Kosher Market and what each means.
World's largest kosher agency. OU = pareve; OU-D = dairy; OU-Meat = meat. Found on hundreds of thousands of products. Universally accepted.
One of North America's oldest and most respected agencies. Widely accepted across all communities with rigorous standards.
Baltimore-based with particularly strong standards in dairy and industrial food. Widely accepted in Ashkenazi and Sephardic communities worldwide.
Chicago Rabbinical Council. Highly regarded for comprehensive standards and detailed consumer guidance. Trusted across North America.
Kosher Meat & Poultry — What "Glatt" Really Means
Kosher meat laws are among the most detailed in kashrut. Only certain animals are permitted — land animals must have fully split hooves AND chew their cud (cattle, sheep, goats, deer). Pigs have split hooves but don't chew their cud — making all pork non-kosher regardless of certification.
The Process of Kosher Slaughter (Shechitah)
Kosher meat must be slaughtered by a trained shochet using a technique called shechitah — a single swift cut with an extremely sharp, perfectly smooth blade that severs the trachea, esophagus, and carotid arteries simultaneously. This is designed to minimize pain and maximize rapid blood drainage.
After slaughter, the lungs are inspected for defects — this inspection is where the distinction between "glatt" and standard kosher arises.
What Does "Glatt Kosher" Mean?
Glatt (גלאַט) is Yiddish for "smooth." If the lungs are perfectly smooth — with no adhesions (sirchos) — the animal is glatt kosher. If adhesions are present, a rabbinical decisor examines whether they can be peeled away cleanly. Glatt kosher is the higher standard preferred by most Ashkenazi and Sephardic observant communities today.
Our butcher shop is 100% Glatt kosher — the highest standard, every piece, every day.
Beit Yosef meat available upon request — for customers who require the Beit Yosef (Sephardic) standard, which accepts only lungs with absolutely no adhesions whatsoever. Please ask our staff.
Permitted Kosher Animals
- ✓ Beef (cattle), Veal
- ✓ Lamb, Mutton (sheep)
- ✓ Goat, Venison (deer)
- ✗ Pork — not kosher
- ✗ Rabbit, Horse — not kosher
Kosher Poultry
- ✓ Chicken, Turkey
- ✓ Duck, Goose
- ✓ Pheasant (with tradition)
- ✗ Ostrich, Eagle — not kosher
Dairy & Chalav Yisrael
Kosher dairy must come from a kosher animal and carry proper certification. Standard dairy products from cows, goats, and sheep are kosher when properly certified.
Chalav Yisrael (חָלָב יִשְׂרָאֵל)
Chalav Yisrael refers to dairy products where a Shabbat-observant Jew supervised the entire milking process, ensuring only milk from kosher animals was used without non-kosher additives.
In the US, many major poskim permit standard commercial dairy under a leniency since government inspection ensures only cow's milk is used. Others maintain Chalav Yisrael exclusively. We carry both — ask our staff to identify Chalav Yisrael products.
Waiting Times After Meat
After eating meat, one must wait before eating dairy: Ashkenazi custom — 6 hours. Some Sephardic customs — 1 to 3 hours. Dutch/Yekke custom — 1 hour. Hard cheeses require the same waiting time as meat before eating meat (6 hours for most communities).
Understanding Pareve
Pareve (פָּרֵוֶה) refers to foods inherently neither meat nor dairy — can be eaten at both meat and dairy meals. Fish, eggs, fruits, vegetables, and grains are all naturally pareve.
- · Fruits & vegetables
- · Grains & flour
- · Eggs
- · Fish (fins & scales)
- · Nuts, seeds, oils
- · Pas Yisrael — bread w/ Jewish involvement
- · Bishul Yisrael — cooked w/ Jewish involvement
- · Gevinas Yisroel — cheese w/ Jewish involvement
- · Fish cooked in meat pot — some authorities: treat as meat
- · Pareve cooked in non-kosher pot — loses pareve status
Fresh Produce — Kosher Checking Requirements
The Torah explicitly prohibits eating insects (Vayikra 11:41-44). Certain fruits and vegetables commonly harbor tiny insects not visible to the naked eye. Halacha requires careful inspection and cleaning before these foods may be eaten — a significant practical challenge in kosher observance.
Many people are surprised to learn this applies even to organic produce — which may actually have more insects due to the absence of pesticides. A beautiful romaine salad that hasn't been properly checked may technically contain dozens of halachic violations.
High-Risk Vegetables Requiring Careful Checking
- · Romaine — aphids in leaves & spine
- · Spinach — small insects in folds
- · Arugula — aphids very common
- · Kale — requires thorough washing
- · Broccoli — tight florets harbor insects
- · Cauliflower — similar to broccoli
- · Asparagus — tips require inspection
- · Brussels sprouts — separate leaves
- · Strawberries — check seed area & hull
- · Raspberries — rinse thoroughly
- · Fresh figs — often have internal insects
- · Dates — check inside
Passover (Pesach) — Beyond Regular Kashrut
Passover introduces an entirely separate layer of dietary restriction on top of regular kashrut. During the eight days of Pesach, Jews may not eat or even own chametz — any leavened grain product (wheat, barley, oats, rye, or spelt that has fermented with water for 18 minutes or more).
Chametz — Strictly Prohibited
- ✗ Bread, rolls, bagels, pita
- ✗ Pasta and noodles
- ✗ Most cereals and crackers
- ✗ Beer, whiskey, most spirits
Permitted for Pesach
- ✓ Matzah (KFP certified)
- ✓ Fresh kosher meat, poultry, fish
- ✓ Fresh fruits & vegetables
- ✓ Eggs, Kosher for Passover wine
Ashkenazi vs. Sephardic: The Kitniyot Difference
Ashkenazi Jews traditionally also prohibit kitniyot during Pesach — legumes, rice, corn, and related items. This is a rabbinic custom (minhag), not biblical law.
Most Sephardic Jews do not have this custom and permit kitniyot on Pesach. Many Ashkenazi rabbis have recently ruled leniencies on kitniyot. Consult your rabbi about your specific practice.
Kosher Wine — Mevushal, Non-Mevushal & Kiddush
Wine holds special significance in Jewish law — used for Kiddush on Shabbat and Yom Tov, for Havdalah, for the four cups at the Pesach Seder, and at lifecycle events. Because of wine's sacred role, Jewish law has specific requirements for how kosher wine is produced and handled.
Mevushal Wine (מבושל)
"Cooked" wine flash-pasteurized at high temperatures. Retains kosher status even when the bottle is opened and poured by non-Jews — making it the preferred choice for restaurants and catered events.
Modern flash-pasteurization has significantly improved mevushal wine quality. Most Israeli table wines are mevushal.
Non-Mevushal Wine
Must be handled only by Shabbat-observant Jews from bottling until poured. If an irreligious Jew or non-Jew opens or pours from the bottle, its kosher status may be compromised.
Generally preferred by kosher wine enthusiasts for superior complexity and flavor. Premium Israeli, French, and California labels are typically non-mevushal.
Shabbat Shopping Guide — Your Complete Checklist
Shabbat begins at sunset Friday and ends Saturday night. Observant Jews do not cook on Shabbat itself — all food preparation happens before candle-lighting. Our store is busiest Friday mornings. Here's your complete Shabbat shopping checklist.
Essential Items
- ✓Challah (2 loaves) — for lechem mishneh, representing the double manna portion
- ✓Kosher wine or grape juice — for Kiddush Friday night and Shabbat morning
- ✓Shabbat candles — minimum two per household
- ✓Main course — chicken, roast, brisket, or fish
Complete the Table
- +Chicken soup with kneidlach or noodles
- +Salads & appetizers — hummus, techina, Israeli salad
- +Kugel — noodle or potato, the quintessential Shabbat side
- +Dessert — pareve cake or cookies from our bakery
Frequently Asked Questions
Questions we hear regularly — and our honest answers.
Kosher Dining & Shopping in Las Vegas
Looking for the full kosher guide to Las Vegas? Chabad of Southern Nevada maintains an updated directory of kosher restaurants, supermarkets, and caterers — including One Stop Kosher Market.
View Chabad's Kosher Guide- Kosher Supermarkets
- Meat & Dairy Restaurants
- Catering Services
- One Stop Kosher Market ✓