Total Calories: 101
Cook spinach according to package directions drain well. Set aside. Combine celery, water and salt in saucepan cover, cook rapidly 5 minutes. Remove cover and cook rapidly until liquid is absorbed. Add butter or margarine, blend in flour and pepper add half-and-half and cook, stirring until sauce is thick and begins to bubble. Stir in horseradish and spinach pour into greased 1 1/2 -quart casserole. Sprinkle with cheese. Bake in a preheated 375° F oven for 20 minutes or until heated through.