2 lbs. powdered sugar
1 c. Crisco shortening
1 c. milk or half-and-half
1 egg white
1 tsp. salt

Cream the shortening in a mixing bowl. Add 1/2 the sugar; mix well. Add milk, egg white and salt, mixing well after each addition. Add remaining sugar; mix until smooth and creamy. Add extract and/or food coloring as desired. May be frozen or refrigerated as needed.