1 1/2 to 2 lbs. hamburger, browned
1 onion, chopped
1 green pepper, chopped
8 oz. or more Mozzarella cheese, shredded
1 lg. jar spaghetti sauce
1/2 to 1 c. Italian bread crumbs
1 pkg. lg. stuffing shells, cook as directed

Brown beef, onions and peppers. Add bread crumbs until it becomes stuffing consistency. Add 1/2 of cheese and mix until cheese is melted. Stuff cooked shells with meat mixture. Pour sauce over stuffed shells. Top with remaining cheese. Bake at 350 degrees for 30 minutes.