Sprinkle the flour on a small, parchment paper lined baking sheet. Bake the flour for 5 minutes, then let it cool.
6 tbsp (48 g) all-purpose flour
Add the butter, brown sugar and granulated white sugar to a small bowl. Cream together with an electric mixer on medium-high speed until the mixture is light and fluffy, about 1-2 minutes. Then mix in the vanilla.