Vegan Carrot and Coriander Soup (Gluten-Free)

Ingredients

• 1 tablespoon olive oil
• 2 tablespoons (30 g) plant-based butter
• 1 large onion, roughly chopped
• 5-6 large carrots, peeled and cubed ((approx. 1.3 lb / 600 g))
• 2 garlic cloves, roughly chopped
• 1 medium potato, peeled and cubed
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• 1 teaspoon ground turmeric
• 5 cups (1.2 litres) vegan stock
• Large bunch fresh coriander
• Salt
• pepper
• Plant-based cream or crème fraiche, to serve ((optional))