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Oven-Baked 4-Ingredient Chicken Royale

A creamy oven-baked chicken casserole made with tender chicken breasts, golden mushroom soup, sour cream, and crispy fried onions. This easy four-ingredient comfort dish is savory, rich, and perfect for a simple family dinner.
Prep Time 10 minutes
Cook Time 50 minutes
Rest Time 10 minutes
Total Time 1 hour 10 minutes
Course Casserole, Chicken, Comfort Food, Main Course, Oven Baked
Cuisine American
Servings 6
Calories 430 kcal

Ingredients
  

  • 2 lb boneless skinless chicken breasts about 4 to 6 pieces
  • 1 can condensed golden mushroom soup 10.5 oz, undiluted
  • 1 cup sour cream full fat preferred
  • 6 oz crispy fried onions divided

Instructions
 

  • Preheat the oven to 350°F and grease a 9x13-inch casserole dish with cooking spray.
  • Pat the chicken dry and trim any rough edges.
  • If the chicken breasts are thick, slice them in half horizontally so they bake evenly.
  • Arrange the chicken in a single layer in the prepared baking dish.
  • Sprinkle half of the crispy fried onions directly over the chicken.
  • In a bowl, stir together the condensed golden mushroom soup and sour cream until smooth.
  • Pour the sauce over the chicken and onions, spreading it evenly from edge to edge.
  • Cover the dish tightly with foil.
  • Bake covered for 30 minutes, until the sauce is bubbling and the chicken begins to look opaque.
  • Remove the foil and sprinkle the remaining fried onions over the top.
  • Bake uncovered for 15–20 minutes, until the onions are golden and the chicken reaches 165°F in the thickest part.
  • Let the casserole rest for 10 minutes before serving.
  • Scoop from the bottom so each serving has chicken, sauce, and crispy onions.

Notes

Slice thick chicken breasts horizontally for even cooking. Serve with rice, mashed potatoes, egg noodles, or green beans.

Nutrition

Calories: 430kcal
Keyword Chicken Royale, easy chicken casserole, fried onions, golden mushroom soup, sour cream chicken
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