Tomato, cucumber & ginger salsa

For ➍
6 tbs rice vinegar or white wine vinegar
2 tbs fish sauce (nam pla)
50 g sugar
400 g tomatoes, chopped into 1 cm pieces
1 cucumber, seeded & chopped into 1 cm pieces
1 small red onion, peeled & finely chopped
1 spring onion, trimmed & finely chopped
½ red chilli, seeded & finely chopped
juice of ½ a lime
2 tbs chopped fresh coriander
1 ts finely grated fresh ginger
4 portions baked fish

Boil the vinegar, fish sauce and sugar (stir to dissolve the sugar) in a saucepan for 5 m until it thickens slightly.
Place in a large mixing bowl. Leave to cool.
Add the tomatoes, cucumber, onion, chilli, lime juice, coriander and ginger.
Toss and add more lime juice or ginger if necessary.