1 1/2 lb. ground beef
2 c. noodles, cooked
1/3 c. chopped onions
1/4 c. water
1 tsp. salt
1 c. shredded Cheddar cheese
1 c. corn Niblets, cooked
1 can condensed tomato soup
1 tsp. prepared mustard

Brown onions and ground beef in skillet until onions are soft and beef is thoroughly cooked. Stir in 3/4 cup cheese and add all remaining ingredients. Spoon into a 1 1/2-quart baking dish. Top with remaining cheese. Cook in oven at 350°F for 30 minutes.