1 lb. fresh flounder fillets or 1 pkg. frozen fillets
1 c. mayonnaise
1 tbsp. yellow mustard
1 tbsp. chopped onions
2 tsp. marjoram flakes

Place fillets in shallow baking dish. Combine the rest of ingredients in small bowl. Spread the mayonnaise mixture over each fillet. Bake at 350 degrees for about 1/2 hour or until fish flakes with fork. Serves 4.