Sweet and Sour Chicken Stir-Fry is a classic Chinese dish that combines the perfect balance of sweet and tangy flavors. This recipe features tender chicken pieces stir-fried with colorful bell peppers, onions, and pineapple chunks in a delicious sweet and sour sauce. The chicken is first marinated in a mixture of soy sauce, ginger, and garlic, which adds depth of flavor to the dish. The sauce is made with a combination of ketchup, vinegar, sugar, and soy sauce, creating a sticky and flavorful glaze. Serve this dish over steamed rice for a complete meal that will satisfy your cravings for both sweet and sour flavors.