Peel your Pumpkin and Carrot and cut into smaller dice. Place into a pot and cover with water. Cook for 15 minutes or until soft on a medium stove heat.
Peel and chop your Onion. Fry the onion with the butter translucent in a smaller pot. When soft take from the heat.
Add the cooked pumpkin, carrot to the soft fried onion and also add in milk, salt, pepper, ginger garlic paste, cayenne pepper, turmeric powder to the pot with the fried onion.
With a hand stick blender puree the mixture to a smooth puree and then transfer back to the stove and warm up until you can see the first bubbles forming.
Take from heat, garnish with chopped coriander before serving hot as a side dish.