Trim off any really hard fat or sinew. Season the beef really well with salt and pepper. Heat two tablespoons of the oil in a large frying pan. Fry the beef in three batches over a medium–high ...
Warm a frying pan on the stove until very hot, then brown the steak (in batches) in a little olive oil. Colour the onions and peppers in the butter and season. Place in one large pan, together ...