Preheat the oven to 180°C (356°F).
Combine almond flour, cake flour, baking powder, sugar, and salt in a bowl.
Add chilled butter and cut it into small pieces, mixing it evenly.
Add egg and milk to complete the dough.
Roll out the dough, spread jam on top, then fold in half to make it 2-3cm thick.
Cut into desired sizes and place on a baking tray.
Bake in the oven at 180°C (356°F) for 20-25 minutes.