Rotel Potatoes
["1/4 lb. mushrooms, sliced", "1/2 c. onion, chopped", "1 (10 oz.) can Ro-Tel tomatoes", "1 (10 oz.) can Cheddar cheese soup", "1/2 soup can water", "1/2 stick margarine", "10 to 12 small potatoes, peeled and sliced", "1 Tbsp. margarine", "1 (10 oz.) can cream of mushroom soup"]
["In skillet, saut mushrooms and onions until golden brown."]
["mushrooms", "onion", "Ro-Tel tomatoes", "Cheddar cheese soup", "water", "margarine", "potatoes", "margarine", "cream of mushroom soup"]