Mix the chilli sauce with the lime zest and juice, and fish sauce to make the dressing.
Arrange the lettuce in a large salad bowl.
Toss all the remaining ingredients with the dressing just before you are ready to eat, to keep everything crisp and fresh, then add to the lettuce.
Recipe from Good Food magazine
4 tbsp sweet chilli dipping sauce
zest 1 lime and 2 tbsp juice
1 tsp fish sauce
1 Little Gem lettuce, separated into leaves
2 carrots, cut into thin batons
10 radishes, sliced
4 spring onions, cut on the diagonal - green parts only
handful roughly chopped coriander