1 lb. ground beef
1 med. onion, chopped
1 pkg. Hamburger Helper lasagna
5 c. water
1 (8 1/4 oz.) can whole kernel corn
1 (16 oz.) can whole tomatoes, broken up
2 tbsp. Parmesan cheese

Cook ground beef and onion until browned. Drain fat off. Add remaining ingredients except lasagna noodles. Heat to boiling, stirring constantly; reduce heat. Cover and simmer 10 minutes. Add noodles. Cook, covered 10 more minutes. Sprinkle with more cheese if desired.