1 avocado, diced
1 green serrano or jalapeno chilli, finely chopped
handful fresh coriander, roughly chopped
½ lime, juice only
1 lime, juice only
½ onion, finely chopped
flaked sea salt and freshly ground black pepper
2 large ripe tomatoes, deseeded and finely chopped
½ small white cabbage, finely shredded
hot chilli sauce
3 tbsp mayonnaise
300²µ/10½´Ç³ú plain flour
½ tsp baking powder
2 chipotles en adobo, finely chopped
1 litre/1¾ pints corn or vegetable oil
3 tbsp soured cream
600g/1lb 5oz cod fillet, preferable Icelandic, cut into chunks
275ml/9½fl oz ice-cold lager