Heat 1 tsp of oil in a pan. Add garlic and onions. Cook them for few minutes. Now add chopped pumpkin and potato. Cover and cook the pumpkin and potatoes in a low flame. Cook them until they are soft. Remove and let it cool down.
Place them in a food processor and add soaked cashews. Add extra water to puree it. Season it with salt and pepper and finally add cinnamon and nutmeg. Garnish it with cashew cream and herbs.
To make Cashew cream,
Soak 1/2 cup of cashews with 1/4 cup water for two hours. Discard the soaked water and blend them with fresh water until smooth and creamy. Add salt and transfer them to a sealed container in the fridge, and chill for a few hours to thicken.The cream will keep in the fridge for about 5 days.