6 tbsp. flour
1 c. milk
1/2 c. butter
1/2 c. Crisco
1 c. granulated sugar
2 tsp. vanilla

Blend flour and milk in a shaker. Mix well. Cook in a saucepan over medium heat. Stir constantly until it thickens and forms a paste. Set aside and let cool thoroughly.

In mixer cream Crisco, butter and sugar. Add the cold flour mixture and vanilla. Beat until creamy, 7 minutes.