Mix the flour with the salt and the Crème Butter and gradually add the water.
Knead into a short dough, without gluten formation.
Leave the dough to rest in the refrigerator overnight.
Roll out the dough into a rectangle and place the Croissant Butter in the centre.
Fold 1 x double, 1 x single, and 1 x half & half.
Leave the dough to rest in the refrigerator for 1 hour, then roll it flat.
Leave to rest in the refrigerator overnight.
Cut the dough into 9 cm x 25 cm pieces (12 to 14 pieces).
Use an oiled steel rolling pin with a metal centre wrapped in baking paper.
Place the dough in the tin and press it down with the rolling pin.
Bake for about 25 minutes at 170°C.