Cream the butter and sugar until smooth.
Add the egg and mix well.
Sift cake flour, baking powder, and salt into the dough and mix evenly.
Add yellow cheese powder and mix again.
Fold in the chocolate chips evenly.
Shape the dough into balls and place them on a baking tray lined with parchment paper.
Bake in a preheated oven at 180°C for 12–15 minutes.