Preheat oven: Set your oven to 350°F (175°C).
Combine ingredients: In a large bowl, whisk together the cream of chicken soup, sour cream, milk, garlic powder, onion powder, salt, and pepper.
Add chicken and cheese: Stir in the shredded chicken and half of the shredded cheddar cheese.

Prepare biscuits: Cut each biscuit into quarters. Gently fold the biscuit pieces into the chicken mixture until they are lightly coated.
Assemble casserole: Pour the mixture into a greased 9×13-inch baking dish, spreading it evenly.
Top with cheese and butter: Sprinkle the remaining cheddar cheese over the top. Drizzle the melted butter evenly over the cheese.
Bake: Bake in the preheated oven for 25-30 minutes, or until the biscuits are golden brown and the casserole is heated through.
Cool and serve: Let the casserole cool for a few minutes before serving. Garnish with chopped parsley if desired.
Enjoy your delicious Chicken Bubble Biscuit Bake Casserole!

Enjoy!