To make the General Tso sauce, add 1 teaspoon red pepper flakes (add more if you like extra spicy!), 1 finely minced garlic clove, ½ tablespoon hoisin sauce, ½ tablespoon ketchup, 2 tablespoon rice vinegar, 1 tablespoon soy sauce, ½ tablespoon oyster sauce, 1 teaspoon sugar, ½ cup water, and 1.5 teaspoon corn starch. Mix together until corn starch is dissolved.
1 teaspoon red pepper flakes, 1 garlic clove, ½ tablespoon hoisin sauce, ½ tablespoon ketchup, 2 tablespoon rice vinegar, 1 tablespoon soy sauce, ½ tablespoon oyster sauce, 1 teaspoon sugar, ½ cup water, 1½ teaspoon corn starch