Combine Self raising flour and rice flours in abowl, seaosn with salt and pepper.
Mix in coconut cream to make as moooth, thick batter, then add the grated kumara and grated ginger.
Mix in prawns, coriander and sweet chilli saice, season ansd rest for a few minutes.
Heat some oil in a pan or on a BBQ plate.
lightly fry spoonfuls of th batter, turning once first side is cooked.
serve with sweet thai chilli sauce.