Sweet and sour shrimp is a popular Cantonese dish that combines the flavors of tangy pineapple, bell peppers, and succulent shrimp. The shrimp is stir-fried with a sweet and sour sauce made from vinegar, ketchup, sugar, and soy sauce. The dish is then garnished with green onions and served over steamed rice. The combination of sweet and tangy flavors makes this dish a crowd-pleaser.