Potato-Pepperoni Supper
["5 Tbsp. margarine", "6 large potatoes, sliced, peeled or unpeeled", "1 small onion, diced", "salt and pepper to taste", "1 (8 oz.) tomato sauce", "1 (11 oz.) shredded Mozzarella cheese", "1 (3 1/2 oz.) pkg. pepperoni slices"]
["Spray skillet with Pam.", "Melt margarine in pan.", "Arrange potatoes and onions in bottom of skillet.", "Sprinkle with salt and pepper.", "Cover and cook 20 minutes or until potatoes are lightly browned and tender.", "Sprinkle with 1/2 can of tomato sauce.", "Next sprinkle with 1/2 cheese.", "Add all of pepperoni.", "Add remaining sauce.", "Add all remaining cheese.", "Cover and cook until the casserole is heated through and the cheese is melted."]
["margarine", "potatoes", "onion", "salt", "tomato sauce", "Mozzarella cheese", "pepperoni slices"]