Melt butter and chocolate in microwave, set aside

Mix flour, BP, Bsoda, salt, plus cocoa powder in a bowl, set aside

With balloon whisk, mix sugar, eggs, coffee, and vanilla essence until completely combined.

Whisk in melted chocolate.

Add in dry ingredients, and mix until completely combined.

Let rest for 10 mins on kitchen counter

Place granulated sugar on a plate and on a separate plate, place icing sugar

Scoop dough and drop onto granulated sugar, coat evenly, then roll it onto icing sugar, coat evenly as well

Line pan with parchment paper and place dough on pan

Bake on preheated 325 F for 12 mins

Cool on pan for 5 mins

Move cookies onto cooling rack