Remove the skin and seeds from the pumpkin and dice it.
Place the pumpkin pieces in a steamer and steam until soft.
Mash the steamed pumpkin finely or blend it in a blender.
Put the mashed pumpkin and water in a pot and stir while boiling.
When it thickens, add the milk and mix well.
Add peanut butter and stir thoroughly while boiling.
Season to taste with salt or sugar.