Best Frosting for Chocolate cakes/cupcakes!

 I ran across this dessert on Pioneer Woman Cook's blog, that she got from tasty kitchen and instantly knew I wanted to try it.  The frosting is made with flour! what! and granulated sugar.  I know (from experience) that frosting NEEDS to be made with powdered sugar, or at least until I found this recipe.  When I was first learning how to cook, I was making a friends recipe for buttercream frosting. easy enough, but I couldn't figure out why mine wasn't turning out like frosting, instead of a grainy mess.  I called my friend, a bit irritated, and she asked if I was using powdered sugar.  I wasn't. BUT I didn't want to admit it at the time (I've gotten over those issues, finally ;) so I hung up the phone and cried.  Well not really, but I wanted to, after all the time and amount of ingredients I had gone through.  So, anyway, I HAD to try this recipe and just prove to myself that indeed, granulated sugar can be used, if you know how, in frosting.  Not only did this turn out, but was incredibly hard to stop eating.  No wonder it is called the best frosting.  I do think it isn't as "WOW" by itself, but paired with good chocolate cake or cupcakes, heavenly! 

That’s the Best Frosting I’ve Ever Had
5 Tablespoons Flour
1 cup Milk
1 teaspoon Vanilla
1 cup Butter
1 cup Granulated Sugar (not Powdered Sugar!)

Preparation Instructions
Bake your favorite chocolate cake and let it cool.
In a small saucepan, whisk flour into milk and heat, stirring constantly, until it thickens. Remove from heat and let it cool to room temperature. (If I’m in a hurry, I place the saucepan over ice in the sink for about 10 minutes or so until the mixture cools.) Stir in vanilla.
While the mixture is cooling, cream the butter and sugar together until light and fluffy. Then add the cooled milk/flour/vanilla mixture and beat until it all combines and resembles whipped cream.
Grab a spoon and taste this wonderful goodness. If there is any left after your taste test, spread it on a cooled chocolate cake.
Cut yourself a piece and put it on a pretty plate. Grab a fork and prepare to experience the most divine pairing you can imagine. This frosting on chocolate cake is to die for. Sure, the recipe sounds strange — it has flour in it — but it’s sublime. Try it, you’ll see. You’ll love it so much you won’t go back.

NOTE: This makes A LOT of frosting

NOTE: for the cupcakes, I used Pioneer Woman's Chocolate Sheet Cake recipe.  Yum!