Fish In Dill Sauce
["4 ribs celery", "2 tsp. onion", "3 Tbsp. butter", "2 tsp. dill", "1/2 tsp. tarragon", "1 c. sour cream", "2 1/2 c. condensed mushroom soup", "2 tsp. Dijon mustard", "salt and pepper", "1 lb. fish fillet"]
["Saute onion and celery.", "Add remaining ingredients.", "Place in a shallow casserole with fish.", "Bake at 375\u00b0 for 20 to 25 minutes."]
["celery", "onion", "butter", "dill", "tarragon", "sour cream", "condensed mushroom soup", "mustard", "salt", "fish fillet"]