Scalloped Potatoes Gratin

1 can (11 oz) condensed cream of celery or condensed chicken soup
1/2 cup cottage cheese
1/2 cup milk
Dash pepper
4 thinly sliced potatoes (4 cups) - Parboiled in water for 9 minutes then well drained 
1 small onion, thinly sliced
3 tablespoons butter or margarine
Dashes of paprika
1 cup mild cheddar shredded cheese
4 slices American cheese

Mix soup, milk, cottage cheese and pepper together. In a buttered 1 ½ - 2 quart casserole, arrange alternate layers of parboiled potatoes, onion and the mixture. Dot top with dabs of butter, sprinkle with paprika. Cover and bake in a 350-F oven 1 hour. Uncover: bake 15 minutes more until tender. Last 15 minutes of baking sprinkle with mild shredded cheddar cheese or top with 4 slices American cheese.

Makes 4 servings.