1. Ingredients: 500g medium gluten flour, 100g old noodles, 60g sugar, 2g salt, 2g yeast, 310g water, 100g medium gluten flour for noodles.
2. Put all the main ingredients into the cooking machine barrel.
3. Knead the dough until smooth, cover it and ferment it to twice the size.
4. Add 100g medium gluten powder for noodles, and the cook machine will restart.
5. Knead into flour and completely absorb it into a smooth dough.
6. Roll out the dough.
7. Roll it up and cut it into steamed buns.
8. Rub the whole shape, put oil paper on the bottom, cover and relax for 40 minutes.
9. After the relaxation is completed, start the low fire to boil until the water boils, and turn the high fire to steam for 15 minutes. Steam and simmer for 10 minutes before opening the lid.
10. Take it out when the time is up, and it is finished.