1. Cut the purple sweet potato into small pieces, cook in a microwave oven on high heat for 3 minutes, and puree it with a food processor;
2. Add flour, milk powder and sugar and mix well;
3. Yeast is dissolved with warm water;
4. Knead into a smooth purple sweet potato dough, ferment for 90 minutes at room temperature;
5. Wash the seedless red dates, soak for 30 minutes, and absorb the surface moisture with kitchen paper;
6. Fermented purple sweet potato dough;
7. Sprinkle a layer of dry noodles on the panel, put the purple sweet potato dough on and knead to exhaust;
8. Roll out the purple sweet potato dough after venting into a dough piece;
9. Cut into long strips;
10. Take a piece of noodles, put two red dates, and wrap it into a "8" shape;
11. The effect after twisting into "8";
12. After everything is done, put it on the pot and let it stand for 20 minutes;
13. After waking up, the volume becomes larger;
14. Heat up on high heat, turn to medium heat and steam for 15 minutes after airing, turn off the heat, and simmer for 3 minutes;
15. Take out the pot and place on the drying rack.
Tips:1. The dough with purple potato puree will be sticky, so add a little bit when adding water, and gradually form a dough. Do not add too much water at one time, which will cause the dough to be difficult to shape;
2. Knead for a while when exhausting, repeat the sprinkling of dry noodles, knead in more dry noodles, the dough will be harder, which is conducive to the final shape.
