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Smothered Cheesy Sour Cream Chicken

Smothered cheesy sour cream chicken is baked until juicy chicken breasts are covered in a thick, golden-bubbling sour cream, cheddar, and Parmesan blanket. The topping caramelizes across every inch for a tangy, rich, comfort-food style chicken casserole.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 4 servings
Course: Main Dish
Cuisine: American
Calories: 640
Ingredients Equipment Method Notes

Ingredients
  

Chicken breasts
  • 4 boneless skinless chicken breasts
Seasonings
  • 0.25 tsp Salt, pepper, garlic powder, and smoked paprika to taste Use a mix of salt, black pepper, garlic powder, and smoked paprika to season the chicken.
Sour cream mixture
  • 1 cup sour cream
  • 0.5 cup mayonnaise
  • 1 packet (1 oz) ranch seasoning mix
  • 1 tsp garlic powder
Cheeses
  • 1.5 cup shredded cheddar cheese Divided.
  • 0.5 cup Parmesan cheese, grated
Topping
  • 6 strips bacon Cooked crispy and crumbled.
  • 0.25 g Fresh chives for garnish

Equipment

  • 1 sheet pan

Method
 

Prep and preheat
  1. Preheat oven to 375°F and grease a 9x13 baking dish.
Season and layer
  1. Season the chicken breasts with salt, pepper, garlic powder, and smoked paprika to taste, then place them in the prepared baking dish.
  2. Whisk together sour cream, mayonnaise, ranch seasoning mix, and garlic powder until smooth.
  3. Spread the sour cream mixture generously over each chicken breast.
  4. Top with shredded cheddar cheese, Parmesan cheese, and crumbled bacon.
Bake and finish
  1. Bake at 375°F for 28-32 minutes until the topping is golden and bubbly and the internal temperature reaches 165°F.
  2. Remove from the oven and garnish with fresh chives.

Notes

For the best thick, caramelized topping, make sure the sour cream mixture is fully smooth before spreading and bake until the surface looks deeply golden with bubbling edges. Store leftovers in the refrigerator for up to 3 days. Freeze yes—freeze in portions up to 2 months, thaw overnight in the fridge, then reheat until hot. For a lower-fat option, use light sour cream and light mayonnaise.