1, put the high gluten flour, whole wheat flour, milk powder, salt, into a bowl and mix well, add the yeast and stir well, then slowly pour in the warm water, stir with a spatula without powder.

2. Cover with plastic wrap and refrigerate overnight.

3: Shape the dough, sprinkle some flour on the board to help shape the dough, you don't need to knead too much, just shape the dough into the shape you want.

4. Transfer the shaped dough to a baking sheet and let it rise for a second time until it doubles in size; the dough won't grow very high, but will widen a bit.

5. Preheat the oven to 200 degrees and prepare a cup of hot water. Use a sharp knife to make a few cuts in the surface of the dough.

6: Place the baking sheet with the dough on the middle shelf of the oven, and place another baking sheet with hot water underneath it.

7, 200 degrees, 25-30 minutes, bake until the top color.