Combine the Debic Croissant Gold butter, salt, and icing sugar in the food processor.
Add the whole egg and then the other ingredients.
Leave in the refrigerator overnight.
Roll out the pastry until 2 mm thick.
Cut 10 cm circles.
Bake in a stainless steel cooking ring with a diameter of 8 cm.
Bake for 8 minutes at 210 °C.