2-4 tbsp. butter
5 large potatoes, peeled and cut in 1/8 inch slices
1 small onion, chopped
Salt and pepper to taste
1 (8 oz.) can Italian tomato sauce
1 pkg. (3 1/2 oz.) pepperoni
2 c. mozzarella cheese

In a large non stick skillet, melt butter. Cook potatoes and onion on low heat until tender (about 20 minutes). Salt and pepper to taste. When potatoes are done, top with tomato sauce, pepperoni and cheese. Cover and cook on low heat until heated through and cheese is melted.