1 (16 oz.) box ziti
1 (48 oz.) Prego sauce
1 (16 oz.) container Ricotta
2 (4 slice) pkgs. Mozzarella cheese
1 lb. hamburger
Onions

Fry hamburger and onions. Season with salt and pepper to taste. Cook ziti 10 minutes only. Drain ziti.

Mix 3/4 of sauce, hamburger and container Ricotta together (use large bowl). Add ziti; mix well. Put 1/2 of mix into lasagne pan; layer with 4 slices of Mozzarella, then rest of mix and another layer of Mozzarella. Top with remaining sauce. Bake 30-45 minutes until hot.