01 -
Preheat oven to 163°C. Lightly grease a large baking dish and set aside.
02 -
Season chicken pieces with salt and pepper. Dredge each piece in cornstarch, then dip in beaten eggs ensuring an even coating.
03 -
Heat vegetable oil in a large skillet over medium-high heat. Add chicken pieces in batches; cook until golden on all sides, about 2–3 minutes per side. Do not fully cook through.
04 -
Arrange browned chicken evenly in the prepared baking dish.
05 -
In a medium bowl, whisk together sugar, vinegar, ketchup, soy sauce, garlic powder, and onion powder until well-blended and smooth.
06 -
Pour sweet and sour sauce evenly over the chicken to coat all pieces. Bake uncovered for 60 minutes, stirring every 15 minutes to ensure thorough coating and sauce thickening.
07 -
Remove from oven and serve hot, ideally with steamed rice or vegetables.