1. Except the butter, pour all the ingredients into the bucket of the chef's machine
2. Stir at high speed until a thick film is formed, put in the butter and continue to stir at high speed
3. To the glove membrane
4. Divide it into three equal parts, roll it up in a long row, and roll it up again
5. Put it into the mold and ferment to a height of 3 cm from the mold, and preheat the oven in advance for baking.
