Preheat the oven to 360F/180C and line a baking tray with parchment paper.
Place the pumpkin and garlic cloves in, season with salt and pepper, and drizzle 1 tablespoon of oil, then, with your hands, mix to coat.
Roast in the preheated oven for 25-30 minutes, or until the pumpkin is fork tender.
Heat the remaining oil in a pot and saute the onions together with carrots and celery, for 3-4 minutes, until they soften. Add in the cashew and pumpkin, then squeeze in garlic from its skin.
Pour the stock in and simmer for about 15 minutes.
Add coconut milk, cumin and cinnamon powder, then stir to combine.
Using a hand blender, blend until smooth.
Ladle the soup into bowls and garnish with your desired toppings.
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Notes
Please read the Tips & Tricks in the article before making this easy pumpkin soup recipe! Below is just a summary.
Best pumpkins for soup: butternut squash, golden nugget, Jap, Cinderella, Queensland blue pumpkin
You can cut the pumpkin into large chunks or wedges.
Best spices for vegan pumpkin soup: cinnamon, nutmeg, smoked paprika, cumin. You can change and adjust them to your taste.