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Sour Cream and Onion Chicken

A creamy, comforting baked chicken dish with golden seared chicken breasts in a rich sour cream and onion sauce topped with melted cheddar cheese.
Print Recipe
Delicious baked chicken breast served over creamy mashed potatoes with herbs.
Prep Time:5 minutes
Cook Time:30 minutes
Total Time:35 minutes

Ingredients

  • 4 boneless skinless chicken breasts
  • 1 tsp salt
  • 1 tsp pepper
  • 1 tsp onion powder
  • 2 tbsp vegetable oil
  • 1 cup of sour cream
  • 1 packet of onion soup mix
  • 1/2 shredded cheddar cheese
  • Parsley for topping optional

Instructions

  • Step 1: Season the Chicken - Start by preheating your oven to 375 degrees and setting a 9 by 13 baking dish aside. In a large bowl, add your chicken breasts along with the salt, pepper, and onion powder. Take a minute here to really coat each piece well. You want that seasoning spread evenly so every bite has flavor. This step sets the foundation for the whole dish, so do not rush it.
  • Step 2: Sear for Flavor - Heat the vegetable oil in a large skillet over medium to high heat. Once the oil is hot, add the chicken breasts. Let them cook for about three minutes on each side until they develop a nice golden color. You are not cooking them all the way through here, just building that crust. That golden sear adds a deeper flavor that really makes a difference once everything bakes together.
  • Step 3: Mix the Creamy Sauce - While the chicken is searing, grab a small bowl and combine the sour cream with the onion soup mix. Stir it until smooth and fully blended. It will look thick and creamy, and that is exactly what you want. This sauce is going to melt down in the oven and coat the chicken in all that rich flavor.
  • Step 4: Assemble the Dish - Place the seared chicken breasts into your prepared baking dish. Spoon the sour cream mixture over each piece, spreading it out so everything is covered. Do not worry about being perfect here, just make sure each piece gets a good layer. Then sprinkle the shredded cheddar cheese evenly over the top. This is where things start to look really good.
  • Step 5: Bake Until Tender - Cover the baking dish with foil and place it in the oven. Let it bake for 25 minutes so the chicken can cook through and soak up all that flavor. After that, remove the foil and bake for another 5 minutes. This final step helps the cheese melt beautifully and gives the top a slightly golden finish.
  • Step 6: Finish and Serve - Carefully remove the dish from the oven and let it sit for a couple of minutes. If you are using parsley, sprinkle it over the top for a fresh touch. When serving, do yourself a favor and spoon some of that extra sauce from the bottom of the dish right over the chicken. That is where all the flavor lives.

Notes

Substitutions

  • Chicken thighs instead of breasts: Swap in boneless chicken thighs for a juicier and slightly richer result
  • Greek yogurt instead of sour cream: Use plain Greek yogurt for a lighter option with a similar tangy flavor
  • Different cheese options: Try mozzarella or Monterey Jack if you want a milder melt on top
  • Low sodium soup mix: Choose a lower sodium packet if you are watching salt levels but still want the same flavor

Variations

  • Add mushrooms: Sauté sliced mushrooms and add them to the baking dish for an earthy boost
  • Include crispy bacon: Sprinkle cooked bacon bits over the top before baking for extra savory depth
  • Make it spicy: Add a pinch of crushed red pepper or a dash of hot sauce to the sauce mixture
  • Turn it into a casserole: Add cooked rice or potatoes directly into the dish to make it a full one pan meal

Tips and Tricks

  • Do not skip the sear: That golden crust adds a layer of flavor you cannot get from baking alone
  • Use evenly sized chicken: This helps everything cook at the same rate and prevents dry pieces
  • Let it rest before serving: Giving it a few minutes helps the juices settle and keeps the chicken tender
  • Spoon the sauce when plating: The sauce at the bottom is packed with flavor, so do not leave it behind
  • Do not overcook the chicken: Keep an eye on timing so the chicken stays juicy and tender

Serving Ideas

  • Serve over mashed potatoes: The creamy sauce soaks right into the potatoes for the ultimate comfort plate
  • Pair with steamed vegetables: Add something green like broccoli or green beans for balance
  • Serve with rice: A simple bed of rice works perfectly to catch all that extra sauce
  • Add a side salad: A crisp salad helps cut through the richness of the dish

Storage and Make Ahead Tips

  • Refrigerate leftovers: Store in an airtight container in the fridge for up to three days
  • Reheat gently: Warm in the oven or microwave until heated through, adding a splash of liquid if needed
  • Prep in advance: Assemble everything ahead of time and bake when ready for an easy dinner
  • Keep it covered: Covering while reheating helps keep the chicken from drying out
Servings: 4 servings