In a large skillet, cook the ground turkey over medium heat until cooked through. Drain off any excess fat.
Add the hash browns, onion, bell pepper, garlic powder, Italian seasoning, salt, and black pepper to the skillet and cook for 5 minutes, stirring occasionally.
In a large bowl, combine the cooked turkey mixture, cream of mushroom soup, sour cream, and Cheddar cheese. Mix until all ingredients are combined.
Pour the mixture into a 9x13-inch baking dish and spread it evenly.
Bake in preheated oven for 30 minutes, or until the casserole is hot and bubbly.
Remove from oven and let stand for 10 minutes before serving.
Interesting Facts
This casserole can be made ahead of time and stored in the refrigerator for up to 2 days before baking.
The casserole can also be frozen for up to 2 months. Let it thaw in the refrigerator overnight before baking.
This casserole can also be made with ground beef or chicken.