2. Preparation materials: cowboy bone 10 piece, half onion, 4 garlic pieces, seasoning: half teaspoon of raw flour, half teaspoon of sugar, wine 1 teaspoon, soy sauce 1 teaspoon, and clear water 1 teaspoon. Wash and cut the cowboy bones, then add essence and marinate for 30 minutes. Chop onions and garlic. Stir-fry the cowboy bone oil until it is 70% cooked, and take it out for later use. Saute onion and garlic in oil, add beef bones and mix well.
3. Prepare1000g clean donkey meat. Onion 15g, ginger 15g, pepper 3g, aniseed 3g, cinnamon 3g, clove 3g, fragrant leaves 5g, garlic 20g, onion 50g, soy sauce soup 2500g, oyster sauce 5g, spicy soy sauce 5g, monosodium glutamate 3g, cooking wine 3g, salt 3g and white wine 3g. Wash donkey meat, cut into pieces, blanch it and let it cool. When the sauce pan is on fire, add the old sauce soup, onion, ginger, pepper, aniseed, cinnamon, clove, fragrant leaves, garlic and onion, add oyster sauce, spicy soy sauce, monosodium glutamate, cooking wine, salt, white pepper and white sugar, add donkey meat, boil and compact, simmer with low fire, turn off the fire, soak the original soup for half an hour, take it out and let it cool.