Dough:
250g/ 9 oz . butter
125g/ 4.5 oz . confectioner`s sugar
380g / 13.5 oz . flour
1 pinch of salt
40g / 1.5 oz . egg yolk
Zest of 1 orange
3 finely grated tonka beans
1 pinch of cinnamon

Filling:
blueberry jam (or blackberry)

-Quickly mix together all the ingredients and let it cool for 3 hours in the fridge
-Knead it shortly and roll out to be circa 4mm (0.15 inches ) thick
-Bake for roughly 8 10 mins at 210 Celsius / 410 Fahrenheit
-Glue two cookies together with jam . Decorate the star with white fondant ,
marzipan or enjoy as it is !