Ingredients for stewed ray fin and tofu: ray fin, tofu, shredded ginger, shredded green onion, red pepper, garlic. Method 1. Cut the stingray fin into pieces, add salt, shredded ginger, and two tablespoons of Shaoxing wine, and marinate for 2 hours. 2. Heat the oil in the pan, add the ginger and Sichuan peppercorns and stir-fry until fragrant. Add the stingray fins and stir-fry until they change color. 3. Add 1 tablespoon of light soy sauce, 1 small amount of sugar, salt, and stir-fry evenly. Pour in boiling water, add shredded green onions, diced tofu, and diced red pepper, and simmer over low heat for about 20 minutes.