Stir-fried chicken breast with onion, absolutely

Cut chicken breast into pieces, add a spoonful of cooking wine, a spoonful of light soy sauce, a spoonful of oyster sauce, a spoonful of starch, a proper amount of black pepper, marinate with a little salt for 2 minutes, stir-fry chicken breast until it is cooked, stir-fry onion with less oil, add chicken breast and a spoonful of cumin, a spoonful of Chili powder, and a spoonful of sesame seeds.