Preparation 1. With a mixer on medium speed, beat together the shortening, vanilla extract, and lemon extract in a medium bowl for 30 seconds. 2. Slowly add half the confectioners' sugar, beating well. Beat in 2 tablespoons of the milk. Gradually beat in the remaining powdered sugar and enough of the remaining milk until the icing reaches a spreadable consistency. Store in an airtight container in the refrigerator for 2 or 3 days Adapted with permission from Cakes for Kids by by Matthew Mead, (C) © March 2008 Chronicle Books