1 pkg. flounder fillets, frozen
1 can cream of celery soup
1 (4 or 6 oz.) pkg. grated cheddar cheese

Thaw fish. Arrange in baking dish, slightly overlapping. Cover with soup as it comes from can (do not add liquid). Sprinkle with cheese. Bake 20 minutes in 400 degree oven or until fish flakes with fork.