01 -
In a medium bowl, whisk together the all-purpose flour, ground cinnamon, baking powder, and salt until thoroughly combined.
02 -
In a small bowl, dissolve the instant coffee granules in the vanilla extract, stirring until fully combined.
03 -
In a large bowl, beat the melted unsalted butter and brown sugar together with an electric mixer or sturdy whisk until smooth. Add the egg and the dissolved coffee mixture. Mix until fully incorporated.
04 -
Add the dry ingredients to the wet mixture. Stir until just combined; do not overmix to ensure soft texture.
05 -
Cover the dough and refrigerate for 30 minutes to allow it to firm up.
06 -
Scoop small portions of the chilled dough and roll into balls. Coat each ball first in granulated sugar, then in powdered sugar for best crinkle effect.
07 -
Place the coated dough balls on a parchment-lined baking sheet, spacing them apart to allow for spreading. Bake in a preheated oven at 350°F for 10 to 12 minutes until surfaces are crackled and edges are set.
08 -
Allow cookies to cool on the baking sheet for several minutes before transferring to a wire rack. Serve warm or at room temperature.
09 -
Once cooled, store in an airtight container at room temperature for up to 5 days or freeze for up to 3 months.