01 -
Combine flour, sugar, and salt in your mixer bowl. Toss in yeast (soak it in the warm water first if using active dry type). Add milk and water, then blend until you get a smooth, firm dough, roughly 8-10 minutes.
02 -
Form dough into a round ball, put in an oiled bowl, wrap it up, and let it sit somewhere warm for half an hour.
03 -
Whip butter chunks with flour until barely combined. Form a 6-inch square with plastic wrap around it, then cool while your dough sits.
04 -
Stretch dough to a 10-inch square. Set cold butter square at an angle in middle, wrap corners over it like a package, and firmly press edges shut.
05 -
Stretch into a 16x8-inch flat sheet, fold like a business letter in thirds. Cool for 1 hour. Do this stretching and folding twice more, cooling between each. After last fold, cool overnight.
06 -
Flatten dough, slice into triangles, and roll into croissants. Let them puff up until they're twice as big, about 60-90 minutes.
07 -
Coat with beaten egg and cook at 375°F for 20 minutes till they turn golden. Move to a cooling rack immediately.