Wash the chicken and cut into pieces. Soak the mushrooms, remove them, wash them and cut them in half. Cut onions into sections, mince garlic, and cut red pepper into cubes. Put oil in the pot, put the chicken in, then add minced garlic, ginger slices, red pepper cubes, green onions, add cooking wine and light soy sauce and stir-fry evenly. Prepare a pot, pour the chicken in, add the mushrooms, add dark soy sauce, oyster sauce, and Sichuan peppercorns and mix well. Add an appropriate amount of water, soak the tofu, and simmer for about 30 minutes until the juice is reduced