Wilma'S Cupcake Filling - cooking recipe

Ingredients

5 Tbsp. plain flour
1 c. milk
1/2 c. butter
1/2 c. shortening (Crisco)
1 c. granulated sugar
1/2 tsp. vanilla

Preparation

Cook flour and milk over low heat until thick.
Stir so it won't burn.
Set aside to cool.
Cream remaining ingredients 5 minutes (no less).
Add flour mixture to this and cream 5 minutes more (no less).