judaism defined

i've been combing through food is love posts recently, a blog i'm really enjoying. i came across the following, in this post of hers:

Judaism, as I recently told a friend, is built on two basic principles: 1) Treat other people the way you’d like to be treated, and 2) Onions and potatoes taste really good cooked in chicken fat. The rest, as Rabbi Hillel sort of said, is commentary.