3 rounded Tbls. flour
1 c. milk
1/2 c. butter
1/2 c. Crisco
1 tsp. vanilla
1/8 tsp. salt
1 c. sugar

Put the flour in a small sauce pan and slowly whisk the milk in so there are no lumps. Continue whisking as you bring the mixture to a boil and it becomes thick. Remove the mixture from the heat and chill in the fridge. Beat the flour mixture with butter and Crisco till smooth. Gradually add the sugar till smooth. Then add the vanilla. Put between two cookies and enjoy!