Mash the steamed pumpkin to a puree and add glutinous riceflour. Knead until combined into a sandy textured dough.
Add water, 1 tsp by 1 tsp at a time, until the dough comes together with a sheen.
This is typically 5-6 tsp.
Roll into small marble sized balls.
In a blender, blend the pandan leaves and water until broken down.
Remove liquid and green pulp and strain (squeeze) to extract as much liquid as possible. Use ¼ cup pandan water and store the remaining in the fridge for further use.
Prepare the pandan bua loy by mixing the pandan water with glutinous riceflour. Add more flour if the dough is too thin, or more pandan water if too thick
Roll dough into marble sized balls.
Make the coconut milk soup by adding the coconut milk, both kinds of sugar, salt and knotted pandan leaf to a small saucepan and simmer for a few minutes.
Do not boil.
Discard pandan leaf.
Bring a pot of water to the boil and tip in all of the pumpkin and pandan balls.
Boil for 30 seconds to a minute, or until all the balls are floating.
Strain with a spider or mesh strainer and divide up amongst some bowls.
Pour the warm sweetened coconut milk over and serve.