Prepare the prawns. De-vein the prawns, leaving the tail tips intact for an elegant presentation. Rinse them thoroughly, then drain in a colander.
Prepare the coating. In a large bowl, combine flour, paprika, powder, onion powder, black pepper, and salt Set aside. Mix desiccated coconut and panko crumbs in another mixing bowl. Set aside.Whisk 2 eggs with water. Coat the shrimp. Pat the prawns dry, then coat them in seasoned flour. Dip each prawn into the egg mixture, followed by a coating of the coconut and panko mixture. Move to a lined baking tray.
Chill the prawns. Refrigerate the coated prawns for one hour to ensure the coating adheres properly
Fry the prawns. Heat the oil to 325 F. Fry the prawns in small batches for 2 minutes. Transfer to a baking tray lined with a paper towel. Repeat with remaining prawns.