In medium bowl, mix flour, baking powder, cinnamon and salt.
In larger bowl, beat butter until fluffy. Add espresso powder and mix well. Add icing sugar and brown sugar and mix well.
Add flour mix about 1/2 cup at a time, mixing well each addition.
Stir in choco chips.
Set dough in fridge for about 30 minutes.
Pre-heat oven to 350°F.
Put granulated sugar in small shallow bowl. Scoop out 1 tabelspoon of dough, flattening slightly into a disk. Dip one side into sugar and place sugared side up on ungreased baking sheet about 2 inches apart.
Bake 12 - 14 minutes.
Let cookies cool 1 - 2 minutes on rack, before transferring to cooling rack.