150²µ/5½´Ç³ú cherry tomatoes, finely chopped
20²µ/¾´Ç³ú fresh coriander, roughly chopped
4 garlic cloves, crushed
½ lime, juice only
1 large onion, chopped
½ small onion, finely chopped
4 heaped tbsp refried beans (see above)
2 x 400g tins black beans, drained and liquid reserved
1 jalapeño chilli, finely chopped
1 tsp ground cumin
2 tbsp olive oil
pinch salt
½ vegetable stock cube
1 tbsp salted butter, softened
125²µ/4½´Ç³ú mozzarella ball, drained and roughly chopped (or 125²µ/4½´Ç³ú Chihuahua cheese, grated)
2 crusty bread rolls, such as mini baguettes or ciabatta rolls, halved