Kosher Library
Reference material we keep because people keep asking for it. It is free to read and you do not need an account. Some of it is for mashgichim and some of it is for anyone who cooks.
Kosher Words Explained
Plain definitions of the words that come up around kosher food and kosher supervision. Written for people who are not expected to know them already.
How to Kosher Utensils
Which materials can be koshered, which cannot, and how hagalah and libun differ. The guide does not rule on your particular case.
Ask Mashgiach Mentor
A custom GPT trained on kosher supervision practice. Useful for looking up how a procedure works, what a term means, or what a situation usually involves. It runs on ChatGPT.
Hatza'as Hashulchan
A sefer on the laws of mixtures, by Rabbi Nosson Dubin
How Much Do You Know?
A short quiz on kosher rules, kitchen practice and supervision. Nothing is recorded or graded. You can use it to find out what you do not know yet.
Keeping Food Hot on Shabbos
Warming, returning and covering food on Shabbos, explained for kitchen staff and for home cooks. The page covers the practice. Your own rabbi decides what applies to you.
Techeiles (on our course platform)
An overview of techeiles, the sources behind it, and the questions that remain open. It is material to study and does not rule on any of them.
