Mix flour with baking powder and salt and put aside
Melt the butter in a pot. Stir the butter until it turns brown over a medium heat, which takes a few minutes. Then let the butter cool slightly.
Using a blender, whip the cooled butter with the sugar
Add the flour mixture in several batches and mix thoroughly.
Add the chocolate pieces and mix well, but carefully.
Put the dough in the fridge for 1 hour.
Preheat the oven to 175°C.
Place 1,5 tsp. dough in the hand to form a flat cake . Add1 tsp. Nutella and fold. No Nutella should come out. Form this into a sphere. Place them on a baking tray and press them together lightly.
Place all balls on a baking tray and leave enough space between them. The cookie balls melt properly when baking.
Bake in the oven for 9-10 minutes. The biscuit edges are then slightly brown.
Leave the biscuits on the baking tray for another 2 minutes (outside of the oven). The cookie still looks very soft.
Remove the biscuits from the baking tray to allow them to cool completely.
