Preheat the oven to 170°C (338°F).
Coarsely chop the almonds.
Cream together the butter and sugar.
Add the egg and mix well.
Sift in the flour, cocoa powder, and baking powder.
Add the chopped almonds and chocolate chips, then mix.
Shape the dough into cookies and place them on the baking pan.
Bake in the oven at 170°C for 12 to 15 minutes.
Transfer to a cooling rack and let cool completely.