Thin White Sauce(Soup Base)  
["2 Tbsp. butter or margarine", "2 Tbsp. enriched flour", "3 c. milk", "1/2 tsp. salt"]
["Melt butter. Add flour and blend. Add milk and salt. Cook until slightly thick, stirring constantly.", "Makes 3 cups."]
["butter", "flour", "milk", "salt"]