1. Put the high-gluten flour, whole wheat flour, milk powder and salt into a basin and mix well. Add yeast and stir well, then slowly pour in warm water and stir well with a scraper without powder.
2. Cover with plastic wrap and ferment in the refrigerator for one night.
3, dough shaping, sprinkle some high powder on the chopping board to help shape, do not need too much kneading, shape the dough into the shape you want.
4. Move the formed dough to a baking tray and ferment to 1 time. The dough won't grow very tall, but it will widen.
5. Preheat the oven to 200 degrees and prepare a cup of hot water. Cut several holes in the dough surface with a sharp knife.
6. Put the baking tray with dough in the middle of the oven, and put a baking tray with hot water under the baking tray.
7, 200 degrees, 25-30 minutes, baking until the surface is colored.