Squash Casserole - cooking recipe

Ingredients

4 lb. yellow squash
1 medium onion
1 tsp. pepper
1 Tbsp. salt
1/2 c. water
1/2 stick margarine
1 c. mushroom soup

Preparation

Slice squash and onion in saucepan.
Cook in water over medium heat about 20 minutes.
Drain in colander.
Mash and add all other ingredients.
Place in baking dish and cover top with 1 cup grated American cheese.
Bake at 350\u00b0 for 20 minutes.