Flour, brown sugar, butter, cocoa powder, peanut butter chips, baking powder, vanilla extract, and salt.
Mix together the butter, brown sugar, cocoa powder, and vanilla extract.
Add all the dry ingredients to the wet ingredients and mix.
Batter should look like this before adding the peanut butter chips.
For the picture perfect cookie add peanut butter chips on top of chilled dough balls.
Bake until just set. Then let rest on the hot pan for 5 minutes.
Transfer to a wire rack to continue cooling.