Combine flour, baking powder, baking soda, and salt.
Melt chocolate and butter in a microwave-safe bowl or double boiler.
Add the sugar and combine until the sugar is almost melted.
Then, add the egg - and combine well.
Finally, add the flour mixture - combine well.
Cover and chill in the fridge for 30 minutes or until thick but not firmly set (see video).
Preheat the oven at 180 C / 356 F.
Drop spoonfuls of cookie dough on a baking sheet, leaving enough space for them to spread.
Bake for 10 to 12 minutes until the edges are ever so slightly crisp. DO NOT OVER-BAKE!
Cool on the baking tray for 5 minutes then transfer to a cooling rack.
The nutrition information and metric conversion are calculated automatically. I cannot guarantee its accuracy. If this data is important to you please verify with your trusted nutrition calculator. Thank you