Ingredients: 200g of flour, 0/00g of water100g of yeast, 20g of purple potato paste120g, 20g of purple dough water, 3g of purple dough yeast, 50g of purple dough flour150g, and a proper amount of kneading flour.

1, mix the ingredients of the dough, then knead it into a smooth dough and ferment it at room temperature.

2. Mix the materials of purple dough, knead into smooth dough and ferment at room temperature.

3, about 2 hours, poke the hole with your finger dipped in flour without retracting, and the fermentation is completed.

4, about 2 hours, poke the hole with your finger dipped in flour without retracting, that is, the fermentation is completed.

5. Ventilate the fermented dough, keep kneading and then slowly add flour.

6. Until it is kneaded into a smooth dough.

7. Ventilate the fermented purple dough, keep rubbing and then slowly add flour.

8. Knead into a smooth dough.

9. Pinch it and put it away, and wake it up for 20 minutes.

10, put the steamer in a cold water pot, heat it with strong fire, heat it after steaming 15 minutes, turn off the fire, and open the lid after 3 minutes of ceasefire.

1 1, let it cool and draw an expression.