Brush the inside of the tartelette rings slightly with butter.
Roll out the dough to 1.8 mm and cut out with a cutter.
Cover the tartelette rings with the dough and cut off the top.
Chill for 2 hours.
Bake at 160°C for 15 min.
Loosen rings and brush inside and outside with egg wash.
Bake again for 15 min. and leave to cool.
Then freeze or process further.