Rotel Potatoes - cooking recipe

Ingredients

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

Preparation

In skillet, saut mushrooms and onions until golden brown.