Preparation materials: 200g of beef fat and 30g of beef lean. Wash the beef, remove the fat, and bring two small pieces of lean meat. After baking the dry pan, heat it and put a piece of fat in the bottom of the pan until there is a little oil in the bottom. Stir-fry all the grease. Take out the oil residue and put it in a metal or ceramic tank.

The method of refining butter:

1. Preparation materials: 200g of fat beef and 30g of lean beef.

2. Wash the beef, jump off the fat and bring two small pieces of lean meat.

3. Heat the pot after it is dry, and put a piece of fat meat to wipe the bottom of the pot back and forth until there is a little oil at the bottom of the pot.

4. Add all the grease and stir fry.

5. Take out the oil residue and put it in a metal or ceramic tank.