1. If the ribs are roasted in the oven, it usually takes about 25 minutes.

2. Roast ribs in the oven: 300g of ribs, appropriate amount of cooked white sesame seeds, appropriate amount of chives, appropriate amount of Chili powder, appropriate amount of roasted wing material, refined salt 1 teaspoon, oyster sauce 1 tablespoon, and 2 tablespoons of light soy sauce.

3, cooking soup steps: you can use ribs, big bones next to the spine to cook soup. Soak in water for about 2 hours, and change the water several times. Add a spoonful of salt (about 3-4g), 2 tablespoons of oyster sauce, 5 tablespoons of soy sauce 1.5, and appropriate amount of roasted wing powder. Grab the seasoning evenly and put it in the refrigerator for the night. The longer the time, the better. It will take at least 2 hours, and it's best to turn it over a few times in the middle to soak each rib in the juice.

4. When baking the next day, spread the tin foil on the baking tray and code the ribs one by one. Cover with tin foil. Send it to the middle layer of the oven and bake it at about 200 degrees for 25-30 minutes. Open the tin foil, sprinkle with appropriate amount of white sesame seeds and Chili powder, and then send it back to the oven to bake for 5 minutes. Take out the baking tray, pour out the juice, turn the ribs over, sprinkle some white sesame seeds and Chili powder, and bake for another 5 minutes. Finally, sprinkle with chopped green onion and send it back to the oven to stew for two or three minutes.