Flounder Au Gratin

Directions

Melt margarine in a small saucepan over low heat.

Add onions and celery; sauté until tender.

Stir in flour, salt and pepper; cook 1 min., stirring constantly.

Gradually add milk; stir well.

Cook over medium heat until thickened and bubbly, stirring constantly.

Add shredded swiss cheese; reduce heat and cook until cheese melts, stirring constantly.

Set aside.

Arrange fillets in a single layer in a 10 x 6 x 2 inch baking dish coated with cooking spray.

Pour cheese mixture evenly over fillets.

Cover and bake at 350℉ (180℃) for 25 min. or until fillets flake easily when tested with a fork.

Sprinkle with parsley.