Creating Sour Cream and Cheese Chicken Bake is straightforward if you follow these simple steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Baking Dish: Grease a 9×13 inch baking dish with cooking spray or olive oil.
3. Mix Sauce: In a medium bowl, combine the sour cream, cream of chicken soup, garlic powder, onion powder, paprika, salt, and pepper. Mix until smooth.
4. Layer Chicken: Place the chicken breasts in the prepared baking dish. Make sure they are evenly spaced.
5. Spread Sauce: Pour the sour cream mixture over the chicken, ensuring each piece is well coated.
6. Add Cheese: Sprinkle the shredded cheddar cheese evenly over the top of the chicken and sauce.
7. Breadcrumbs (Optional): If using breadcrumbs, sprinkle them over the cheese for added crunch.
8. Bake: Place the baking dish in the preheated oven and bake for 35-40 minutes, or until the chicken is cooked through and reaches an internal temperature of 165°F (75°C).
9. Cool: Remove from the oven and let it cool for 5-10 minutes before serving.
10. Garnish: If desired, sprinkle fresh parsley on top for a pop of color.

Following these steps will guide you effortlessly in creating this incredible dish.