Into the pumpkin purée add the sugar mix well until dissolved microwave this mixture until it is slightly warm.(Make sure it is not too hot as the yeast will not bloom). Around 20 seconds. Add yeast to this mixture stir well until all the particles have incorporated well. Allow this to sit for a few minutes.
In to the pumpkin purée mixture add in bread flour mix well and need it into a nice smooth dough. cling wrap the bowl, keep it in a warm place to rise. Allow the dough to rest for 30 minutes. Once the dough has risen spread it into a thin disc adding enough flour then roll and cut into equal portions as seen in the pictures above.
Line the steamer with a parchment paper( that has holes so the steam passes through it)keep the buns on it.Depending on the size of the steamer keep at least 2 inch gap between each bun. (you may have to steam the buns in batches if the steamer is small) allow this to rest for another 10 minutes.
Heat enough water in the steaming pot then keep the bamboo steamer in the cold water as seen in the picture(make sure the steamer is not having too much water that the bun starts to sit in it you may have to adjust the water level accordingly and pour more as you start steaming) steam the bun for 20 minutes on high flame. Switch off heat and let it sit in the steamer for another five minutes(DO NOT OPEN TP CHECK)
Open the steamer and serve the bun immediately along with condensed milk or butter for breakfast. You can also serve as a side dish with meat stew, curry or even a sauce dish.