Wash the sweet pumpkin thoroughly, remove the seeds, and cut it into small pieces with the skin on.
Place the sweet pumpkin and water in a pot and boil until very soft.
Blend the boiled sweet pumpkin until smooth.
Put the blended pumpkin back into the pot and simmer over medium heat, stirring constantly.
Dissolve glutinous rice flour in water, add it to the porridge, and continue stirring as it cooks.
Once the porridge thickens, season with salt to taste.