stir together the shortening and corn syrup Mix in the salt and vanilla flavoring
then gradually mix in the confectioners sugar until it is a stiff dough If you are using a stand mixer
use the dough hook attachment Otherwise
knead by hand If the dough is sticky
knead in more confectioners sugar until it is smooth Store in an airtight container at room temperature or in the refrigerator
To use
roll out on a clean surface that has been dusted with confectioners sugar until it is 1/8 inch thick or thinner if you can Drape over frosted and chilled cakes and smooth the sides down
or cut into strips to make bows and other decorations