STEP 1/21
Sieve flour and flour in a bowl, add sugar and salt.
STEP 2/21
Mix evenly with a whisk.
STEP 3/21
Add the cold butter cut into 1cm squares
STEP 4/21
Mix together using a scraper.
STEP 5/21
When butter is about half a finger, stop chopping.
STEP 6/21
Make a groove in the center and pour in the yolk and cold water.
STEP 7/21
Mix it with a spatula and knead lightly when the ingredients begin to clump.
STEP 8/21
Rest the finished dough in the refrigerator for about an hour.
STEP 9/21
When the tissue is finished, push the dough long in one direction.
STEP 10/21
Fold 1/3 each (fold 3).
STEP 11/21
Place dough vertically and push again, fold 1/3 at a time. Please repeat this task 3 times in total.
STEP 12/21
Let the dough rest in the refrigerator for another hour.
STEP 13/21
When the tissue is finished, roll the dough into a long rectangle.
STEP 14/21
Fold up and down one-sixth of the time.
STEP 15/21
Fold it around the center.
STEP 16/21
Lastly, fold it in half.
STEP 17/21
Lastly, let it rest in the refrigerator for 30 minutes.
STEP 18/21
When the tissue is finished, cut the dough into 1cm thick pieces.
STEP 19/21
Put sugar on one side only.
STEP 20/21
The dough spreads as it is baked, so place it at a sufficient interval.
STEP 21/21
Bake for 15 minutes in an oven preheated to 190.
If the butter is about to melt (tough, hand-soaked) while working, put it in the refrigerator and work again when it is cold.