Makes about 30
125g ground almonds
125g cold unsalted butter
1 packet of vanilla sugar (check German or Turkish shops, or Lidl)
1 pinch of salt
2 egg yolks
Any red jam for in between the sandwich
Icing sugar for rolling out and for the top.
Mix up all ingredients with a mixer at first and then knead thoroughly. Wrap the dough in cling film and put in the fridge for two hours.
Preheat the oven to 180C, 160C Fan, Gas 3.
Roll out using the icing sugar, about 3mm thickness. Cut out using your preferred cookie cutter and place on a baking tray lined with baking paper. Bake for 8-15 mins.
Warm up the jam and brush on one side of one biscuit and place another one on top. Cover with icing sugar and let them dry.