Coarsely chop the almonds.
Cream the butter and sugar together.
Add the egg and mix well.
Sift in the cake flour and baking powder, then mix.
Add the chopped almonds to the dough and combine.
Shape the dough into bite-sized balls.
Line a baking sheet with parchment paper and place the dough balls on top.
Bake in a preheated oven at 170°C (338°F) for 15 minutes.