1 c. milk
5 tbsp. flour
1/2 c. butter
1/2 c. Crisco
1 c. sugar
3 tsp. vanilla

Cook first 2 ingredients in a small pan until thick. Cool completely in refrigerator. Cream next three ingredients together, then add milk and flour mixture plus 3 teaspoons vanilla. In mixer beat for 10-15 minutes. Keep cake refrigerated.