Mix sugar, flour, baking powder, baking soda, cinnamon, and salt in a bowl.
Mix egg, oil and pumpkin puree in a separate bowl.
Stir-in the flour mixture.
Last, mix in chopped chocolate.
Leave the dough to cool for half an hour in the fridge.
Using 2 tablespoons, place small heaps of dough on a baking tray with baking paper, keeping equal distance in between.
Bake in preheated oven at 180° C for about 14 minutes.