You’ll not only get the irresistible taste and melt-in-your-mouth texture of the store-bought favorites, but also the joy of customizing them to your heart’s content!
With an electric mixer on medium speed, beat the confectioners’ sugar and butter until crumbly and lightened in color. Mix in the egg, sour cream, and vanilla.
Add the dry ingredients to the wet ingredients, and mix on low speed just until combined. Use a spatula to stir the dough a few times to finish mixing.