Preheat oven to 400 F. In a large bowl, whisk together flour, sugar, salt, baking powder, and cinnamon.
Cut butter into the mixture using a pastry blender until crumbly. Pour in milk, mix until a dough forms. Pat dough out onto a floured surface. Pat into a rectangle.
Cut out biscuits using Christmas cookie cutters. Place onto a large greased baking sheet. Bake for 20 minutes.