If you're looking for a tangy and sweet chicken dish, this Hunan-style sweet and sour chicken recipe is perfect for you. The chicken is coated in a crispy batter and then stir-fried with bell peppers, pineapple chunks, and onions. The sauce is made from a combination of vinegar, ketchup, sugar, and soy sauce, giving it a perfect balance of flavors. The dish is finished with a sprinkle of sesame seeds for added crunch. This Hunan-style sweet and sour chicken is a crowd-pleasing dinner option that can be served with steamed rice or noodles.