Heat the oil in a pan.

Add the pumpkin, ginger and coriander and saute for a few minutes, until the pumpkin starts to get a little soft.

Add a cup of water and continue to cook the mixture.

Once the pumpkin cooks, turn off the flame.

Cool, blend, and add water to obtain the consistency of your choice.

Add salt, and pepper to taste and bring to a boil. Add butter before serving.