1, origin: cassoulet is a historical and traditional famous food in Jinan, which is an authentic Jinan dish. It originates from the food culture and cooking tradition of Jinan area. Although the word "Chongqing" is used in the name of chicken casserole, it does not originate from Chongqing, but is named after its founder "Zhang Chongqing".

2, practice: cassoulet recipe is simple, the use of seasoning is mostly finished seasoning, the core sauce is oyster sauce, add other ingredients mixed. The cooking process of cassoulet mainly involves stewing the chicken and ingredients together, making the chicken flavorful, tender and juicy. The sauces for chicken casserole are more complex and varied, with common ones such as columnar sauce, seafood sauce, oyster sauce and sacha sauce.

3, ingredients: cassoulet chicken commonly used chicken parts are chicken side legs, processing slightly smaller (about 2-3 cm). This part of the chicken is more tender and easy to taste. Chicken casserole uses three yellow chicken, pipa legs, etc. as the main ingredients, and these parts of the chicken are more flavorful and have a firmer texture.