Baked Fish Fillets With Wine Sauce
["2 Tbsp. minced onion", "1 Tbsp. butter, margarine or salad oil", "2 Tbsp. flour", "1 1/2 tsp. salt", "1/8 tsp. pepper", "1/2 c. milk", "1/2 c. Sauterne", "1 Tbsp. parsley", "1 lb. fresh or frozen cod or haddock fillets"]
["In double boiler, saute onion in butter; stir in flour, 1 teaspoon salt, pepper and milk.", "Cook over boiling water until thickened.", "Remove from heat.", "Pour Sauterne into 10 x 6 x 2-inch pan.", "Sprinkle with 1/2 teaspoon salt; pour on salt.", "Bake at 350\u00b0 for 30 minutes, basting 3 times.", "Sprinkle with parsley."]
["onion", "butter", "flour", "salt", "pepper", "milk", "parsley"]