Defrost lamb steaks at room temperature. Clean, wash and cut the peppers into pieces. Peel shallots and garlic. Halve or quarter shallots, cut garlic into slices. Pluck rosemary needles from the twig. Fry meat in hot oil while turning for about 10 minutes.
Remove from the pan. Fry peppers, shallots, garlic and rosemary in the frying fat for about 8 minutes. Season with salt and pepper. Halve the olives. Add meat and olives and heat up with. Sprinkle feta cheese over the pan dish just before serving