Carrott and Orange Soup

900g Carrot, 1 Orange, 1 onion,1 celery stick, 1ltr veg stock, 1 sweet potatoe, 2 tbs coconut oil. Peel and chop the veg and zest the orange. Add coconut oil and onion to the pot and cook for 3 mins. Add the rest of the veg and cook for another 2 mins. Add the stock and orange zest. When all of the veg is soft, remove from the heat and blend with a hand blender. Serve with come fresh coriander and greek yogurt.