In a medium mixing bowl, combine the flour, brown sugar, baking powder and salt.
Cut butter into small ½” cubes and add to the flour mixture. Using a pastry blender or two butter knives, cut the butter into the flour mixture until the butter pieces are pea-sized.
Add the cinnamon chips and Cinnabon coffee creamer; stir until fully combined. (Note: The dough will be fairly sticky.)
Turn the dough out onto a well-floured countertop and shape into a rough square approximately 1/2"-3/4" thick.
Using a round cookie cutter, cut the dough into circles. Place cookies on a parchment-lined sheet pan.
Bake at 425°F for 14-16 minutes, or until tops of cookies just begin to turn light golden brown in color.
Allow cookies to cool before adding Glaze.
For the Glaze
Whisk together the powdered sugar and Cinnabon coffee creamer until smooth.
Using a pastry bag or a plastic sandwich bag with one corner snipped off, drizzle the Glaze over the warm cookies.