2. First of all, you need to mix the dough in advance and put it in the refrigerator for fermentation.
3. After fermentation, according to the degree of hardness, mix the flour and knead it into a slightly hard dough.
4. Knead into a smooth dough, knead into a batter of appropriate size, flatten it, and roll it into a round cake with a rolling pin.
5, the pot is hot, put the cake, fry on both sides until slightly yellow.
6. After the beef is thawed, try to absorb excess water. Add chopped onion into minced meat and chop it into paste with a knife.
7. Pour in carved wine, soy sauce, oyster sauce, salt, sugar, egg white and white pepper, and mix well to make meat stuffing.
8. Heat the pan, put the fried eggs in a round mold, add the meat stuffing and flatten them with a spoon.
9, small fire, fry until both sides are dry, slightly yellow.
10, the cake is baked, cut in half from the middle, put the washed lettuce, beef patties, squeeze the ketchup, and put a piece of cake, and a meat bun is ready.