Using fl at beater, blend shortening and sugar together on low speed for 30 seconds. Stop and scrape bowl, then blend for another 30 seconds and scrape bowl again. Add the slightly beaten egg mixture...

Using fl at beater, blend shortening and sugar together on low speed for 30 seconds. Stop and scrape bowl, then blend for another 30 seconds and scrape bowl again.

Add the slightly beaten egg mixture in two portions. Stir on low speed for a total of 40 seconds or just until blended.