Garnish the surface with the dates. Insert small tubes around the edge of the pan at regular intervals, outside the plastic wrap, to release steam. Place the pan into a steamer already at a full boil, cover, and steam 2 to 4 hours. Cool and cut in slices to serve.
3. 蒸籠內鋪玻璃紙（已抹油），糊粉倒入籠中，上飾紅棗，在玻璃紙外等距放些小筒（透蒸氣用）；移置水已大滾的大蒸鍋上，用大火蒸二至四小時即可。