Ingredients for - Cheesy Chicken and Broccoli Casserole

1. Unsalted butter, or as needed 1 teaspoon
2. Skinless, boneless chicken breasts, cubed 2
3. Finely chopped broccoli 3 cups
4. Condensed cream of chicken soup 2 (10.5 ounce) cans
5. Shredded Cheddar cheese 1 cup
6. Shredded Parmesan cheese, divided 1 cup
7. Shredded mozzarella cheese ½ cup
8. Sour cream ½ cup
9. Ground black pepper to taste 1 pinch

How to cook deliciously - Cheesy Chicken and Broccoli Casserole

1 . Stage

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

2 . Stage

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

3 . Stage

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. Dotdash Meredith Food Studios

4 . Stage

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

5 . Stage

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. DOTDASH MEREDITH FOOD STUDIOS