2 1/2 tbsp. flour
1/2 c. milk
1/2 c. Crisco
1/2 c. white sugar
1/4 tsp. salt
1 tsp. vanilla
1 c. powdered sugar

In small saucepan combine flour and milk. Cook until it forms a paste stirring constantly. Set aside to cool.

Cream shortening, sugar and salt. Beat until fluffy. Add cooled paste and beat another 5-6 minutes. Add vanilla and continue beating while adding powdered sugar.