Flounder Fillet In Herb Sauce - cooking recipe

Ingredients

4 celery ribs, chopped fine
2 teaspoons onions, minced
3 tablespoons butter or 3 tablespoons margarine
2 teaspoons dill (or to taste)
1/2 teaspoon tarragon
1 cup sour cream
2 1/2 cups condensed mushroom soup
1 teaspoon parsley
2 teaspoons Dijon mustard
salt and pepper
16 ounces frozen flounder fillets, thawed (or use fresh)

Preparation

Preheat oven to 375.
Saute celery and onion in butter until tender.
Add remaining ingredients, except fish, and mix well.
Pour into a shallow 10x16\" casserole.
Lay fish fillets in the sauce, spooning some over fish.
Bake for 20-25 minutes.