Horseradish Sauce
["1/2 c. margarine", "2 Tbsp. flour", "1 c. hot beef broth", "1/2 c. prepared horseradish", "1/4 c. onion sour cream", "1/4 tsp. sugar"]
["Melt margarine and stir in flour.", "Slowly add broth, stirring. Stir in rest of ingredients and simmer until thickened.", "Do not boil."]
["margarine", "flour", "hot beef broth", "horseradish", "onion sour cream", "sugar"]