1. Put yeast and sugar in the flour, add water a little bit and stir it into a flocculent, knead it into a dough, drip with corn oil, cover it with plastic wrap and ferment for 1 hour. 2. Pour oil into the pan and stir-fry the ginger and garlic

A big pot of simmer

1. Put yeast and sugar in the flour, add water a little bit and stir it into a flocculent shape, knead it into a dough, drip with corn oil, cover with plastic wrap and ferment for 1 hour.

2. Pour oil into the pan, stir-fry the ginger and garlic until fragrant, add the pork ribs, and fry until golden brown.

3. Pour potatoes, carrots, shiitake mushrooms, yams, and corn into it and stir-fry.

4. Add water to cover the ingredients, put a spoonful of thirteen spices, half a spoon of Sichuan pepper powder, three spoons of soy sauce, boil the water and cook for 30 minutes.

5. Separately process the dough, flatten the dough, spread with shallots, roll it up and set aside.

6. Put the agent on top, cover and simmer for 20 minutes.