1 lb. macaroni, cooked
1 1/2 lbs. ground beef
1 onion, chopped
1/2 green pepper, chopped
8 oz. grated Mozzarella cheese
3 (15 oz.) cans tomato sauce
1 tsp. vinegar
1/2 tsp. oregano
2 cans mushrooms, drained
Pepperoni
2 tbsp. Worcestershire sauce
1/4 tsp. garlic powder
1/2 tsp. salt

Saute meat, onions and green pepper. Combine tomato sauce with next 8 ingredients and simmer for 2 hours. Add ground beef mixture and layer with macaroni, sauce and cheese in large casserole dish. Bake for 20 minutes at 400 degrees. Reserve some sauce to serve over Cavatini.