① Slice beef and blanch it in boiling water;

(2) taking out the frozen tofu and thawing;

(3) Put the base oil in the pot, add the minced onion and ginger and stir-fry until fragrant;

(4) Add beef, appropriate amount of water, a little soy sauce, aged vinegar, cooking wine, pepper, star anise, ginger slices, salt, allspice powder and sugar, and stir fry constantly;

⑤ Stew the beef in a pressure cooker for a while, and then transfer it into a casserole to continue stewing;