01 -
Preheat your oven to 325°F (163°C). Lightly grease a large baking dish.
02 -
Season the chicken pieces with salt and pepper. Coat the chicken in cornstarch, then dip each piece into the beaten eggs, ensuring they are well-coated.
03 -
In a large skillet, heat the vegetable oil over medium-high heat. Add the chicken pieces in batches and cook until browned on all sides, about 2-3 minutes per side. The chicken does not need to be fully cooked at this stage.
04 -
In a medium bowl, whisk together the sugar, distilled white vinegar, ketchup, soy sauce, garlic powder, and onion powder until smooth.
05 -
Transfer the browned chicken to the prepared baking dish. Pour the sweet and sour sauce evenly over the chicken, ensuring all pieces are coated. Bake, uncovered, for 1 hour, stirring the chicken every 15 minutes to ensure the sauce thickens and the chicken is evenly coated.