Fry chopped onion in coconut oil. Boil sliced potato, cashew, onion, ginger, garlic and salt in three cups of water. Add 200ml of water to Palmo Coconut Milk Powder and a little Coconut oil and boil. Add lemon juice just before removing the pan from stove. Serve hot with Appam, Idiappam, Roti, Chappathi etc.