Creating Smothered Cheesy Sour Cream Chicken is a straightforward process. Follow these steps to bring this mouthwatering dish to your table:

1. Preheat the Oven: Preheat your oven to 375°F (190°C).
2. Prepare the Chicken: Season the chicken breasts with salt, pepper, garlic powder, and onion powder.
3. Sear the Chicken: In a large oven-safe skillet, heat olive oil over medium-high heat. Add the seasoned chicken breasts and sear until golden brown on both sides, about 5-7 minutes per side.
4. Mix the Sauce: In a bowl, combine sour cream, ranch seasoning mix, and cream of chicken soup. Mix until smooth.
5. Add Sauce to Chicken: Pour the sauce mixture over the seared chicken breasts in the skillet, ensuring they are well coated.
6. Top with Cheese: Sprinkle the shredded cheddar cheese generously over the top of the sauced chicken.
7. Bake: Transfer the skillet to the preheated oven and bake for 25-30 minutes, or until the chicken is cooked through and the cheese is bubbly and golden.
8. Garnish: Remove from the oven and let it cool for a few minutes. Garnish with fresh parsley if desired.
9. Serve: Slice and serve hot, enjoying the melty, cheesy goodness!

These steps will guide you in making this incredible dish effortlessly.