6 fish fillets (any firm white fish will do)

SAUCE:

1 c. mayonnaise
1 sm. onion, chopped
2-3 cloves garlic, chopped
1/4 c. Parmesan cheese
Salt and pepper to taste

Preheat oven to 400 degrees. Place fillets in shallow baking dish. Mix sauce ingredients together and spread over fish, covering fish completely. Salt and pepper to taste. Bake at 400 degrees for 20 minutes or until done.