Your holiday season isn't complete without these shortbread cookies!
Combine all ingredients (except frosting) in a medium bowl and knead to form a smooth dough. Roll out on a floured surface to 1/4-inch thick. Cut out with a cookie or biscuit cutter.
Transfer to ungreased baking sheets. Bake at 275° for 45 minutes; cool.
Frost with Grandma Mary's Cream Cheese Frosting. Refrigerate until set or ready to serve.