Cheesy Chicken and Broccoli Casserole

Ingredients

• 1 teaspoon unsalted butter , or as needed
• 2 skinless , boneless chicken breasts, cubed
• 3 cups finely chopped broccoli
• 2 cans condensed cream of chicken soup , 10.5 ounce
• 1 cup shredded Cheddar cheese
• 1 cup shredded Parmesan cheese , divided
• 0.5 cups shredded mozzarella cheese
• 0.5 cups sour cream
• 1 pinch ground black pepper to taste

Instructions

1. 1

   Gather ingredients, preheat the oven to 350 degrees F (175 degrees C), and butter the bottom and sides of a 9x13-inch dish.

2. 2

   Bring a pot of water to a boil. Add chicken and continue to boil until no longer pink, 5 to 10 minutes.

3. 3

   Meanwhile, combine broccoli, cream of chicken soup, Cheddar cheese, 1/2 cup Parmesan cheese, mozzarella cheese, sour cream, and pepper in a large bowl. Mix well.

4. 4

   Drain chicken and add to broccoli mixture. Mix well. Pour into the prepared baking dish and spread evenly.

5. 5

   Bake in the preheated oven for 20 minutes. Add remaining Parmesan cheese on top and continue to bake until cheese is melted, 3 to 5 minutes.