A sweet and spicy soup.
Melt butter in saucepan and saute onion until tender.
Add curry powder and sweet potato and cook for 1 minute.
Add water and season, simmer, covered for 15-20 minutes or until tender. Puree mixture until smooth and place into a clean saucepan.
Add milk, coriander and orange rind and re-heat until heated through.
Sprinkle sugar over peaches and grill until caramelised. Serve soup topped with peach and extra orange rind.