All About Kosher


Learn all about the laws of keeping kosher on kosher.com!


We have new information for beginners, and even for the experienced, we'll have useful reference charts, articles and more from experts in the field of kashrus.


About the Laws of Kosher

Jewish Involvement in Kosher Food Preparation- How the rules for Jewish involvement in preparing food, bread, wine, milk, and cheese have helped preserve Jewish identity through thousands of years.

Dairy and Eggs- the kosher concerns related to milk, cheese, and eggs.

Wine and Grape Products- The specific requirements for wine to be kosher also affects various grape products and liqueurs.

Kosher Bread- What makes bread kosher? What ingredients are at risk of making it non-kosher? What's the deal with "yoshon"?

Kosher Meat, Poultry, and Fish- What types of animals are kosher? How is meat kashered? How is the process different nowadays than it used to be?


Milk and Meat- How to Keep a Kosher Kitchen

Keeping a Kosher Kitchen- Due to the requirement to separate milk and meat, a kosher kitchen needs two sets of pots, two sets of dishes, and sometimes even two ovens or two sinks.

Waiting Between Meat and Milk- For those who keep kosher, it's not enough to just eat meat and milk separately. There is a waiting period before one can eat milk products after eating meat.

Waiting After Hard Cheese- There's also a requirement to wait before eating meat, after eating certain types of aged cheese.

Parve Foods- Some foods are not meat and not dairy- they can be eaten with either. Here are some of the relevant criteria.




About the Brachot (Blessings) on Food What is the reason for making these blessings?

Brachot List- A reference chart of many of the most common foods and the correct blessings to make on each.

Tevilat Keilim- The OU's guide to immersing new pots, pans, and other kitchen items.

Hafrashat Challah- The OU's guide to the mitzvah of separating a portion of dough when making bread.

Bishul Yisroel- Guidelines for when a Jew is required to cook food in order for it to be kosher, and when it is not necessary.

Preparing an Eruv Tavshilin- When Shabbat falls out right after a day of Yom Tov, an eruv tavshilin permits you to make the necessary preparations. Here's how to do it.

Sous Vide Cooking and Kosher Law FAQ- As this method of vaccuum sealed slow cooking becomes popular among home cooks, many people are now starting to wonder, what are the halachic (Jewish legal) ramifications?

Kosher Slurpee List- Which flavors of Slurpee are kosher?


Watch "Kosher Unleashed" to learn more about the kosher food industry, and watch a kosher restaurant chef at work.


Kosher Unleashed - Tierra Sur at The Herzog Winery.

For more information, read our articles about the laws of Kosher by clicking here. (Kosher.com is partnered with the OU (Orthodox Union), a leading international kosher certification organization with over 1,000,000 products produced in more than 9,500 plants located in 100 countries around the world.)



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