Rotini Casserole

Ingredients
- 1 lb ground beef
- 12 c chopped onion
- 12 c chopped green pepper
- large jar spaghetti sauce
- 12 box rotini noodles
- 1 pkg sliced pepperoni
- 8 oz shredded Mozzarella cheese
- small jar sliced mushrooms
Directions
- Brown ground beef onion and green pepper drain
- Prepare rotini noodles according to package directions drain
- Mix all ingredients together except cheese
- Spread in a 9 x 13-inch pan and cover with cheese
- Bake in 350 oven until cheese is melted