Creamy Pumpkin and Sweet Potato Soup - The Pesky Vegan

Ingredients

• 1 tablespoon olive oil
• 1 medium onion, chopped
• 4 cloves garlic, chopped
• 2 inch piece of fresh ginger, peeled and chopped
• 2.5 lb (1.1 kg) pumpkin ((unpeeled weight – see notes))
• 2 medium sweet potatoes, peeled and chopped into 1-inch cubes ((approx. 1 lb / 500 g))
• 1 teaspoon chilli powder ((plus more to taste))
• 5 cups (1.2 litres) vegan stock
• 1x 14 oz (400 ml) tin coconut milk
• Small handful fresh coriander
• Juice of 1 lime
• Salt and pepper to taste