3-4 potatoes, peeled and thinly sliced
1 (10 3/4 oz.) can cream of mushroom soup
Salt and pepper to taste
Butter
Grated Parmesan cheese

Boil sliced potatoes until about half done. Layer in shallow, buttered casserole dish with mushroom soup; sprinkle lightly with salt and pepper and dot with butter. Top with cheese. Bake at 350 degrees for about 30 minutes or until potatoes are done and soup is bubbly.