Adapted from Mary's Sugar Cookie recipe using Rustic Provisions Pastry Flour
Beat powdered sugar and butter in a large bowl with electric mixer on medium speed, or mix with spoon. Stir in vanilla, almond extract and egg. Stir in flour, baking soda, and cream of tartar. Cover and refrigerate about 2 hours or until firm.
Heat oven to 375 deg F. Roll half of dough at a time 1/8 inch thick on lightly floured cloth-covered surface. Cut into desired shapes. Place about 2 inches apart on ungreased cookie sheet. Sprinkle with granulated sugar. Bake 7 to 8 minutes or until light brown. Remove from cookie sheet to wire rack.