Mushrooms Au Gratin

1/2 lb. mushrooms, sliced
1/4 cup butter
1/4 cup sour cream
1 T flour
1/2 cup shredded cheddar cheese
Saute mushrooms in butter. Place in baking dish. Mix sour cream, flour and cheese.

Pour over mushrooms and bake at 350 degrees until hot and bubbly. Makes enough for 2.