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Stuffed with flavorful caramelized onions, mushrooms and gooey swiss cheese, these stuffed chicken breasts are WAY easier than they look and the perfect way to up your chicken game!
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5 from 11 votes

Caramelized Onion Mushroom Swiss Stuffed Chicken Breasts

Stuffed with flavorful caramelized onions, mushrooms and gooey swiss cheese, these stuffed chicken breasts are WAY easier than they look and the perfect way to up your chicken game!
Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings 3 servings

Ingredients

  • 1 medium onion, thinly sliced
  • 2 tablespoons butter, divided
  • 1 cup sliced fresh mushrooms
  • 2 cloves garlic, minced
  • Salt and pepper to taste
  • 1 lb chicken breasts (3 medium ones)
  • 1 teaspoon paprika
  • 1 teaspoon salt
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon ground pepper
  • 3 slices Swiss cheese
  • 2 tablespoons olive oil

Instructions

  • In a medium skillet over medium-high heat, caramelize sliced onions in 1 tablespoon butter until a deep golden brown, stirring occasionally (about 10 minutes) Stir in mushrooms, garlic, and salt and pepper to taste, cooking an additional 5-8 minutes until mushrooms are softened. Set aside
  • Cut a slit in each chicken breast about 2/3 through. In a small bowl, combine paprika, salt, Italian seasoning, and pepper. Rub spice mixture on both sides of each breast. Fill each breast pocket with onion/mushroom mixture and top with a slice of Swiss cheese. Seal chicken breasts closed and secure with toothpicks.
  • In a medium skillet over medium-high heat, melt remaining tablespoon butter with oil. Sear chicken 2-3 minutes on both sides until chicken is a deep golden-brown. Place skillet in 375F oven and bake an additional 15-20 minutes or until chicken registers 165F. Remove toothpicks from chicken breasts and serve hot. Enjoy!

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