200g/7oz cherry tomatoes, quartered
½–1 tsp finely chopped green chilli
30g/1oz fresh coriander, finely chopped
1 lime, finely grated zest and juice
1 small red onion, finely chopped
400g tin black beans, drained and lightly rinsed
salt and freshly ground black pepper
1 tbsp sunflower oil
20²µ/¾´Ç³ú butter
200g/7oz cheddar, grated
8 free-range eggs
4 tbsp soured cream
4 soft flour tortillas