Fish With Lemon Spinach
["2 small onion, cut 1/4-inch slices", "2 Tbsp. margarine or butter", "2 Tbsp. flour", "1 c. milk", "1 tsp. instant chicken bouillon", "1 (16 oz.) pkg. frozen fish fillet, thawed and separated", "1/2 tsp. salt", "2 (10 oz.) pkg. frozen chopped spinach, thawed and drained", "3 Tbsp. lemon juice", "2 Tbsp. grated Parmesan cheese"]
["Cook and stir onions and margarine until tender.", "Stir in flour.", "Cook over low heat, stirring constantly until mixture is smooth and bubbly; remove from heat.", "Stir in milk and instant bouillon.", "Heat to boiling, stirring constantly.", "Boil and stir 1 minute.", "Arrange fillets in an oblong baking dish.", "Sprinkle with salt.", "Spoon spinach around fish; drizzle lemon juice over spinach.", "Spoon sauce evenly onto fish and spinach.", "Cook uncovered in a 350\u00b0 oven until fish flakes with fork, about 20 to 25 minutes.", "Sprinkle with cheese and paprika.", "Makes 8 servings."]
["onion", "margarine", "flour", "milk", "instant chicken", "frozen fish fillet", "salt", "lemon juice", "Parmesan cheese"]