White Cake Icing
["1/3 c. vegetable shortening", "1/3 c. butter", "1/4 Tbsp. vanilla", "3 c. powdered sugar, sifted", "1 Tbsp. + 1 Tbsp. milk"]
["Cream butter and shortening.", "Add vanilla.", "Gradually add sugar, 1 cup at a time.", "Beat well on medium speed.", "When all sugar has been mixed, mixture will appear dry.", "Add milk.", "Beat at high speed until fluffy."]
["vegetable shortening", "butter", "vanilla", "powdered sugar", "+"]