Preheat oven to 350 degree. Using a standing mixer, cream together the butter, powder sugar, vanilla and egg together until creamy and combined.
In a large bowl, mix together the flour, cream of tartar and baking soda. Gradually mix in the flour mixture into the wet ingredients until combined and a dough form.
Once the dough is formed, sprinkle about 3 tablespoons of flour onto a cutting board and place the dough onto the cutting board.