01 - Set the oven to 350°F and line a baking sheet with parchment paper.
02 - In a medium bowl, whisk together the flour, cocoa powder, baking soda, and salt.
03 - Using an electric mixer or whisk, beat the softened butter with granulated and brown sugars until light and fluffy.
04 - Add the egg and vanilla extract to the creamed mixture and beat until fully combined.
05 - Gradually add the dry ingredients to the wet mixture, stirring just until incorporated.
06 - Gently fold the semisweet chocolate chips into the dough.
07 - Drop the dough in small, irregular clumps about 2 inches apart onto the prepared baking sheet.
08 - Bake for 18 to 20 minutes until edges are slightly crisp and centers are set.
09 - Allow to cool completely, then break into crumbles. Enjoy as is or use as a topping for ice cream or puddings.