Potato Pizza Casserole

Directions

1. In a large skillet, cook the beef, mushrooms, green pepper and onion until meat is no longer pink; drain.
2. Meanwhile, in a large bowl, combine the pizza sauce, soup, milk, Italian seasoning, garlic salt and pepper flakes. Stir in the potatoes, pepperoni and beef mixture.
3. Transfer half of the meat mixture to a 5-qt. slow cooker. Sprinkle with half of the cheese; repeat layers. Cook, covered, on low until potatoes are tender, 4-5 hours.