From Stevie’s collection, in his handwriting:

1 lb gr. beef
1/2 C onion, chopped
1 can cheddar cheese soup
1/3 C water
1 C chopped tomatoes
1 can whole kernel corn
2 C cooked noodles

In skillet, brown gr. beef & drain. Add cooked onion. Stir in remaining ingredients.
Pour into 1-1/2 quart casserole.
Bake @ 350 / 35 minutes.