2 lb. ground beef
1 jar spaghetti sauce
12 oz. pkg noodles
1 cup shredded mozzarella cheese
1 small can mushrooms
1 onion (diced)
1 cup shredded cheddar cheese
1 pkg. pepperoni
1 bell pepper (diced)

Brown meat and onion. Drain grease. Add sauces. Simmer. Boil noodles until tender; drain. In slow cooker, put a layer of noodles, meat mixture, cheeses and pepperoni. Repeat layer one more time. Cook on high for 30 minutes, then on low for 1 hour or until cheese melts.