Recipe for Cantonese Style Alaska Cod

1 lb. Alaska cod fillets, thawed if necessary
1 tbsp. butter or margarine
2 tsp. lemon juice
salt and pepper
1 tbsp. packed brown sugar
1 tsp. cornstarch
2 tbsp. each water and cider vinegar
1 tbsp. soy sauce
1 cup diagonally sliced celery
1/2 cup canned pineapple chunks, drained
Cut cod into serving-sized pieces; place in shallow baking dish. Dot with butter; sprinkle with lemon juice. Season with salt and pepper. Bake at 450 F 8 to 10 minutes or until cod flakes easily when tested with a fork. Keep warm while making sauce. Combine brown sugar, cornstarch, water, vinegar and soy sauce in saucepan. Cook and stir 1 minute or until thickened. Add celery and pineapple; cook 2 minutes longer. Serve over cod.