In a large bowl,mix together flour, cocoa powder, baking soda, baking powder, and salt. Whisk together and set aside.
In the bowl of a stand mixer, cream together butter, sugar, and brown sugar.
Add in one egg at a time, waiting until each egg has been fully incorporated.
After the eggs have been added in, add in the milk.
Then, slowly add in the dry ingredients.
Add in chopped peppermint bark and chocolate chips, stir together.
Using a small cookie scoop, place dollops of the batter onto a parchment paper-lined baking sheet about two inches apart.
Bake in the oven for about 10-12 minutes, or until a toothpick inserted comes out clean.
Enjoy!
Notes
I used a store-bought peppermint bark, but you can definitely make your own! This recipe uses semisweet chocolate chips because there's a ton of sweetness in these cookies! You could also use dark chocolate if you wanted!