Cheesy Chicken & Mashed Potato Casserole

Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
Step 2: Prepare the Mixture
In a large bowl, mix the shredded chicken, mashed potatoes, mozzarella cheese, cheddar cheese, sour cream, garlic powder, salt, and pepper until well combined.
Step 3: Assemble and Bake
Spread the mixture evenly into the prepared baking dish.
Bake for 25-30 minutes, or until the casserole is heated through and golden on top.
Step 4: Serve
Let it cool slightly before garnishing with chopped green onions (if desired).
Serve hot and enjoy!
Serving and Storage Tips