Rub 2 fillet steaks with 1 tsp olive oil and ground cumin, and season. Drizzle the pepper slices with 1 tsp olive oil. griddle the peppers on both sides for a few minutes until tender. Blitz ground cumin, deseeded green chilli, onion, a handful of coriander, red wine vinegar and seasoning in a processor with a little water to make a sauce.
Griddle the steaks for 3 minutes on each side. serve with the peppers and sauce.