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Easy Baked Chicken Breast

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Tender baked chicken breasts cooked over sliced potatoes and mushrooms, then finished with a golden mozzarella and cheddar topping. This easy one-dish chicken dinner is simple, cozy, and full of savory flavor.
Easy baked chicken breast with a deeply golden cheese topping, mushrooms, and tender potatoes baked underneath.
Prep Time: 15 minutes
Cook Time: 50 minutes
Total Time: 1 hour 5 minutes

Ingredients 

Chicken and Vegetables

  • 2 boneless skinless chicken breasts
  • 2 potatoes thinly sliced
  • 8 mushrooms sliced
  • Olive oil for greasing the baking dish

For the Sauce

  • 5 tablespoons soy sauce
  • 2 tablespoons sour cream
  • 1/3 teaspoon black pepper
  • 1/4 teaspoon salt

For the Cheese Topping

  • 7 oz (200 g) shredded mozzarella and cheddar cheese blend
  • 1 large egg

Instructions

  • Prepare the chicken. Make several shallow cuts across the top of each chicken breast without cutting all the way through.
  • Prepare the baking dish. Preheat the oven to 350°F (180°C). Lightly grease a baking dish with olive oil. Arrange the sliced potatoes in an even layer, then spread the sliced mushrooms over the potatoes.
  • Make the sauce. Stir together the soy sauce, sour cream, black pepper, and salt in a bowl until smooth.
  • Coat the chicken. Add the chicken breasts to the sauce and turn them until evenly coated on all sides.
  • Bake. Place the coated chicken breasts over the potatoes and mushrooms. Bake uncovered for 40 minutes.
  • Prepare the topping. Mix the shredded mozzarella and cheddar with the egg until well combined.
  • Add the cheese. Remove the baking dish from the oven and spoon the cheese mixture evenly over the chicken breasts.
  • Finish baking. Return the dish to the oven and bake for another 20 minutes, until the chicken is cooked through, the potatoes are tender, and the cheese topping is golden. The thickest part of the chicken should reach 165°F (74°C).
  • Serve. Let the chicken rest for a few minutes before slicing. Serve warm with the potatoes and mushrooms from the baking dish.

Notes

  • Slice the potatoes thinly. Thin, even slices help them become tender during the baking time.
  • Use similar-sized chicken breasts. This helps them cook evenly and finish at about the same time.
  • Watch the salt. Soy sauce is already salty, so only a small amount of additional salt is needed. Low-sodium soy sauce can also be used.
  • Cheese: A mozzarella and cheddar blend gives the topping a good balance of melt, flavor, and golden color.