1 Ancho chilli, rehydrated and chopped
2 tbsp chopped fresh coriander
50g/1戮oz baby spinach
3 spring onions, chopped
2 corn on the cobs, kernels removed
2 tbsp olive oil
50ml/2fl oz sherry vinegar
陆 tsp smoked paprika
150g/5陆oz unsalted butter, room temperature
2 fillet steaks (250g/90oz each)