Prepare rice vermicelli as per packet instructions, drain well.
To make the dipping sauce: Combine all ingredients in a small serving dish.
To make the rolls: Place 1 rice sheet in warm water until just softened, remove from water place on clean, damp tea towel.
Lay a lettuce leaf over the wrapper, top with 2 pieces of prawn horizontally, 3 mint leaves, a little persimmon, cucumber, rice vermicelli and 3 coriander leaves.
Fold bottom of wrapper up over the filling, fold one side in, roll up tightly.
Repeat process to make the remaining rolls. Keep rolls under a damp cloth while preparing remaining ingredients.
Serve rolls with the dipping sauce.