1 cup granulated sugar 10 tbsp butter, softened 1 tsp vanilla extract 1 egg 2 cups gluten free 1:1 flour ¼ tsp xanthan gum (omit if your flour includes xanthan gum) ½ tsp baking powder pinch of salt in the bowl of a stand mixer with the beater attachment, cream butter and sugar until light and fluffy. mix vanilla and egg into butter and sugar mix. in a separate bowl, mix all dry ingredients. mix dry ingredients into wet ingredients, ⅓ at a time. create image for center of dou