Knead all together except the Croissant Butter tourage for around 8 minutes.
Place the dough into a container and let it rise on room temperature for around an hour.
After, place it into fridge overnight.
The next day roll the dough long enough to fold in the Croissant Butter tourage.
Tour the Croissant Butter for 1 x 4 folds and 1 x 3 folds.
Let the dough set over night and roll the croissant dough the following day at 7 mm and shape.