1. Flour, sugar, eggs, filial mother, warm water and white dough
2. Flour, sugar, filial mother, black rice noodles, baking soda and 1 gram of warm water to form a smooth dough
3. Roll the two doughs into a rectangular shape and stack them together, cut in the middle, and stack them together
4. Four floors
5. Cut into one-centimeter-wide strips, turn the spacers upside down and shape them
6. Proof to be twice as big and steam for 40 minutes on high fire
7. Cut it with a knife
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