Vegan aubergine burgers

Fruit and vegetables

1 large aubergine, wide middle section cut into 4 slices 2cm/¾in thick

1 small ripe avocado, peeled, stoned and roughly chopped

1 large beef tomato, cut into four thick slices

½ tsp ground coriander

coriander sprigs, to garnish (optional)

1 small garlic clove, crushed

2 tsp fresh lime juice

1 small red pepper, deseeded and finely sliced

1 small yellow pepper, deseeded and finely sliced

1 red onion, finely sliced

25g/1oz fresh rocket leaves or baby leaf salad