Ermine buttercream frosting is a cooked flour, sugar, and milk frosting that is cooled and incorporated into whipped butter. This icing is a traditional red velvet cake recipe that tastes like a buttery whipped cream with a touch of sweetness. So Amazing!
In a medium sauce pan, over medium heat, whisk together the flour and sugar and allow to toast 1-2 minutes in the pan
Slowly the milk to the flour and sugar mixture and continue to whisk constantly while bringing the mixture to a boil.
When the mixture boils, continue to cook 1-2 more minutes until the mixture thickens to a pudding-like consistency.
Cover and let sit until the mixture cools to room temperature.
Add the butter to the bowl of your stand mixer and whisk on high until light and fluffy. slowly add in the cooled flour mixture one spoon at a time as you whip. Incorporating this slowly helps ensure that the buttercream is smooth.
Add the vanilla and salt and mix another minute or so to combine.