Flounder Au Gratin

1 Tbsp margarine
4 green onions, cut into 1/2- inch pieces
2 Tbsp diced celery
2 tsp all-purpose flour
1/8 tsp salt
1/8 tsp white pepper
1/2 cup skim milk
1/4 cup (1 oz) shredded Swiss cheese
1 (16 oz) pkg frozen flounder fillets, thawed and drained
1 Tbsp minced fresh parsley

Saut� onions & celery with margarine in a small saucepan until tender. Stir in flour, salt & pepper. Cook 1 minute stirring constantly.

Gradually add milk; stir well. Cook over medium heat until thickened and bubbly, stirring constantly. Add Swiss cheese, reduce heat, and cook until cheese melts, stirring constantly. Set aside.

Arrange fillets in a single layer in a 10x 6x2 inch baking dish coated with cooking spray. Pour cheese mixture over fillets.

Cover and bake at 350 for 25 minutes or until fish flakes easily when tested with a fork. Sprinkle with parsley

Serves 4