1. Material: 3 beef bones, 2 potatoes, sliced onion, ginger, water, appropriate amount of soy sauce, 2 tablespoons of white sugar and 2 tablespoons of yellow sauce.

2. Soak the bone in cold water, clean it, put it in a pressure cooker, add water, onion and ginger and marinate for 25 minutes.

3. After the pot is cold, open the lid and take out the stewed cow's nest bone. The bone chef can add some salt and coriander to make a beef soup, or cook noodles, which is also delicious.

4. Cut the potatoes into pieces, remove the ribs from the cooked cow's nest bones and cut into small pieces. Bones don't need to be so clean. You can make soup in the pot next time.

5, put oil in the pot, put two spoonfuls of sugar, stir-fry until it changes color, then put two spoonfuls of yellow sauce, stir-fry twice, put beef tendon, add less water, only put two spoonfuls of soy sauce, then put potatoes, stew for 20 minutes, this dish will be fine.