1. Knead the cooked purple potato with flour, water, sugar and yeast to form a dough, break spinach leaves, add flour, sugar, yeast and water to form a dough, add white sugar and yeast to white flour to form a dough, and put it in a fresh-keeping bag;

2. Ferment in a preheated oven;

3. Add surface cloth to the prepared surface;

4. Cut the noodles into sections;

5. Add some other colors to the white dough without adding them;

6. Squeeze out the dough by hand and cut off the wings and tail with scissors;

7. Cut out the mouth, press out the tooth marks on the wings and tail with a comb, and touch the eyes with black rice;

8. Boil boiling water in the pot, steam in the pot for 18 minutes, and turn off the fire after taking it out;

9, swallow steamed bread can be completed.