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Steam sweet potato until soft

Crush it

Pour starch flour into pot

Add BOILING WATER, don’t add all at once to prevent dough getting too sticky, add just until the right amount for right consistency

Use chopstick to mix flour and water into dough like

Incorporate sweet potato into starch mixture

Add powdered sugar

End dough should be non sticky

Roll dough into cut sizes and cut

Dust with starch to prevent sticking, keep in freezer for future use