Shrimp Thermidor
["3/4 lb. cooked shrimp", "1/2 c. mushrooms", "1/4 c. butter", "1/4 c. flour", "1 tsp. salt", "1/2 tsp. dry mustard", "dash of cayenne", "2 c. milk", "Parmesan cheese", "paprika", "cooked rice"]
["Cook mushrooms in butter for 5 minutes.", "Blend in flour and seasonings.", "Add milk gradually; cook until thick, stirring constantly.", "Stir in shrimp.", "Place in well-greased dish. Sprinkle with cheese and paprika.", "Bake at 400\u00b0 for 15 minutes or longer if cold.", "Serve over rice."]
["shrimp", "mushrooms", "butter", "flour", "salt", "dry mustard", "cayenne", "milk", "Parmesan cheese", "paprika", "rice"]