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Baked Sweet and Sour Chicken

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This Baked Sweet and Sour Chicken is a healthier, oven-baked version of a Chinese takeout favorite. Crispy chicken chunks are coated in a bold, sweet-tangy homemade sauce—no deep frying required. It’s perfect for weeknight dinners and tastes just like the restaurant classic.

  • Author: Julia
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Yield: 4 servings
  • Category: Dinner, Main Course
  • Method: Baking
  • Cuisine: Asian-Inspired, Chinese-American
  • Diet: Gluten Free

Ingredients

  • 1 ½ lbs boneless, skinless chicken breasts, cut into bite-sized pieces
  • Salt, to taste
  • Black pepper, to taste
  • ½ cup cornstarch
  • 2 large eggs, beaten
  • Oil, for greasing or brushing chicken
  • For the Sauce:
  • ½ cup ketchup
  • ⅓ cup white vinegar
  • ⅓ cup soy sauce (or tamari for gluten-free)
  • ½ cup brown sugar
  • ½ teaspoon garlic powder
  • Optional Add-ins for Serving:
  • Pineapple chunks
  • Sliced bell peppers
  • Sliced green onions

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a large baking dish.
  2. Season chicken pieces with salt and pepper. Dredge in cornstarch, then dip into beaten eggs.
  3. Arrange coated chicken in the baking dish in a single layer.
  4. In a bowl, whisk together ketchup, vinegar, soy sauce, brown sugar, and garlic powder.
  5. Pour sauce over chicken evenly.
  6. Bake uncovered for 45 minutes, flipping chicken pieces once or twice to ensure even coating.
  7. Serve hot over rice, topped with pineapple, peppers, or green onions if desired.

Notes

  • Substitute chicken thighs for extra tenderness.
  • Stir in sriracha or chili flakes for heat.
  • Add chopped bell peppers and pineapple before baking for a more traditional version.
  • Use honey in place of some brown sugar for a different flavor.
  • For gluten-free, use tamari and certified GF cornstarch.
  • Sauce can be made ahead and refrigerated for up to 3 days.

Nutrition