5 guajillo chillies, stem and seeds removed
2 ancho chillies, stem and seeds removed
small bunch fresh coriander, chopped
5 garlic cloves, peeled
2 limes, cut into wedges
1 onion, cut into chunks
½ onion, finely chopped
3 plum tomatoes, cut into chunks
6 black peppercorns
1 tsp ground cinnamon
2 cloves
1 tsp ground cumin
1 tsp ground ginger
1 tsp dried oregano
15²µ/½´Ç³ú sea salt flakes
2 tbsp sunflower oil
1 tsp white wine vinegar
spicy salsa of your choice
700g/1lb 9oz braising steak, cut into 10cm/4in chunks