Pizza Casserole - cooking recipe

Ingredients

1 lb. beef
1 medium onion
1 green pepper
1/2 lb. sliced pepperoni
1 large can sliced mushrooms
1 large spaghetti sauce
1 c. spring macaroni
1 c. elbow macaroni
1 c. shell macaroni
2 c. grated Mozzarella

Preparation

Brown meat, onions and green pepper together.
Boil macaroni just to tender and drain.
Mix together meat, macaroni and all other ingredients.
Bake in covered casserole at 350\u00b0 for 15 to 20 minutes.
Use cheese on top layers.