Crockpot pizza casserole

Crockpot pizza casserole 1 1/2 lb ground beef 1 can (14 oz) pizza sauce 1 package noodles 4 oz cheese, mozzarella 1 small can mushrooms I onion, diced 1 can (14 oz) spaghetti sauce 4 oz cheddar cheese 1 package pepperoni 1 green pepper diced Brown meat and onion. Drain grease and add sauces. Cook noodles then layer noodles, meat mixture, cheeses, and pepperoni. Repeat layers. Cook on high for 30 minutes then reduce heat and cook for 1 hour until cheese is melted.