You will need:

• 1 tablespoon extra virgin olive oil
• ½ onion, chopped
• 2 teaspoons ground cumin
• 1 teaspoon ground turmeric
• 1 teaspoon ground coriander
• 1 teaspoon cinnamon
• 1 cup split red lentils
• 1 large sweet potato, peeled and roughly chopped
• 2 carrots, peeled and roughly chopped
• 2 parsnips, peeled and roughly chopped
• 1 teaspoon soy sauce
• 3 cups vegetable stock
• 2 cups water
• ½ tin (200ml) light coconut milk
• 2 tablespoons coriander leaves, roughly chopped, to serve
• ¼ teaspoon chilli flakes, to serve