5 guajillo chillies, stem and seeds removed
1 ancho chilli, stem and seeds removed
1 small garlic bulb
2 handfuls iceberg lettuce, finely shredded
2 limes, cut into wedges
陆 onion, peeled
陆 onion, finely chopped
3 plum tomatoes, halved
dried chilli flakes
陆 tsp dried oregano
dried oregano
2 tbsp sea salt flakes
2 tbsp vegetable oil
900g/2lb boneless pork shoulder, cut into 5cm/2in chunks