Mock Whip Cream Frosting

Directions

1. 1
   Whisk together the flour and milk in a saucepan.
2. 2
   Place over medium-high heat and cook, stirring constantly, until the mixture is thick like pudding.
3. 3
   Remove from the heat and set aside to cool completely.
4. 4
   Combine the butter and shortening in a mixing bowl. Beat on medium-high speed with an electric mixer for 4 minutes until it is light and fluffy.
5. 5
   Add the sugar and continue to beat for 4 more minutes.
6. 6
   Add the cooled milk mixture and vanilla and beat for 4 more minutes, scraping down the sides as needed.
7. 7
   Spread the frosting on cooled cake or cupcakes.