Soak mushrooms in boiling water for 30min.
Finely dice water chestnuts, spring onion and mushrooms.
Combine all ingredients and refrigerate for 1hr.
Shape mixture into 1 inch balls and fry in moderately hot oil.
Serve on rice noodles with bean sprouts, lettuce, mint, coriander and Thai basil.
Vietnamese version: 500g pork mince, 2tbs fish sauce, 1tbs sugar, 1tbs honey, 4 spring onion, 3 garlic, ½tsp salt, ¼tsp black pepper.
