Wash the sweet pumpkin thoroughly and remove the skin and seeds.
Cut the sweet pumpkin into small pieces.
Boil the sweet pumpkin with water in a pot.
Mash the boiled sweet pumpkin or blend it in a mixer.
Put the mashed sweet pumpkin back into the pot and bring to a boil.
Dissolve glutinous rice flour in water, add it to the pot, and stir while boiling.
Season with a pinch of salt.