If you're looking for a vegetarian or vegan option, this recipe for Hong Kong-style sweet and sour chicken with tofu is a great choice. The tofu is marinated, fried until crispy, and then stir-fried with a colorful mix of bell peppers, onions, and pineapple. The sweet and sour sauce, made with vinegar, ketchup, sugar, and soy sauce, adds a tangy and flavorful element to the dish. This vegetarian version of sweet and sour chicken is not only delicious but also packed with plant-based protein. Serve it over steamed rice or noodles for a satisfying and wholesome meal.