Preheat the oven to 350 degrees F (175 degrees C). Grease a baking sheet.
In a medium bowl, cream together the butter and sugars until light and fluffy. Beat in the egg and vanilla.
In a separate bowl, combine the flour, baking soda, baking powder, salt, cinnamon, chili powder, cayenne pepper, and cocoa powder. Stir the dry ingredients into the creamed mixture until combined.
Stir in the chopped nuts. Drop by teaspoonfuls onto the prepared baking sheet.
Bake for 10 minutes in the preheated oven, or until cookies are set. Allow cookies to cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely. Enjoy!
Interesting Facts
Chocolate was first used by the Mayans in 1400 BC.
Chili powder is a blend of ground chilies and other spices.
Cayenne pepper is named after a city in French Guiana.