Step 1

Preheat the oven to 375 degrees. Line 2 baking sheets with parchment paper or a Silpat mat.

Step 2

In a large bowl of an electric mixer, cream both sugars and butter until very creamy. Beat in eggs and milk until fully combined. Add cream of tartar and baking soda. Mix well.

Step 3

In a medium bowl, stir together the cocoa powder, chili powder, espresso powder, cinnamon, and flour till well combined.

Step 4

Add dry ingredients to butter mixture and mix until just combined.

Step 5

Stir in chocolate chips by hand.

Step 6

Using a medium cookie scoop or heaping tablespoon, roll dough into balls. Roll balls in the powder sugar and place on the prepared baking sheets.

Step 7

Bake in the preheated oven until centers are set and cookie begins to crack, about 10-12 minutes.

Step 8

Cool for 1 minute on baking sheet and then transfer cookies to wire rack to cool completely.

Step 9

Enjoy!