1 Little Gem lettuce, trimmed and finely shredded
225g tin bamboo shoots, drained
1 medium carrot, peeled and cut into very thin matchsticks
2 heaped tbsp finely chopped coriander
2 heaped tbsp finely chopped dill
½ lemon, juice only
1 lime, juice only
½ small red onion, finely chopped
1 spring onion, trimmed and finely sliced
198g tin sweetcorn, drained
½ tsp English mustard
150g/5½oz jasmine or basmati rice
2 tbsp mayonnaise or Greek-style yoghurt
½ tsp soft light brown sugar
salt
1 tsp sesame oil
1 tbsp sesame seeds, toasted
½ tbsp light soy sauce
1 tbsp light soy sauce
1 heaped tsp sriracha
2–3 tbsp sriracha
2 tbsp white wine vinegar
120g/4½oz sushi-grade fresh tuna, cut into very small chunks