Puffed Baked Fish
["3/4 lb. fish fillets (haddock or sole)", "1/4 c. salad dressing", "1/4 c. shredded Cheddar cheese", "1 egg white, well beaten"]
["Preheat oven to 450\u00b0.", "Arrange fish fillets in buttered baking dish.", "Combine salad dressing, cheese and well-beaten egg white. Spread over fish.", "Bake for 10 to 15 minutes without opening oven door."]
["fish", "salad dressing", "Cheddar cheese", "egg"]