1 Little Gem lettuce, washed, dried and leaves separated
2 large ripe avocadoes, peeled, stone removed and cut into 2cm/¾in cubes
100²µ/3½´Ç³ú cherry tomatoes, quartered
1–3 tbsp finely chopped green chilli
30g/1oz fresh coriander, stalks and leaves finely chopped
2 limes, juice and zest
salt and pepper
1 small red onion (approx. 60g/2¼oz), quartered then thinly sliced
400–450g tin sweetcorn, drained and lightly rinsed
400g tin black beans, drained and lightly rinsed
2 tsp heaped ground cumin
2 tbsp rapeseed or olive oil