Method:

1 Heat oil in a frying pan over high heat, cook beef for 2 minutes each side or until beef is seared.
2 Add shiitake mushrooms, rosemary and stock to the pan, cook for 6-8 minutes or until beef is tender. Add chives, enoki and oyster mushrooms and stir to combine. Remove steak and rest for 5 minutes, and slice.
3 Plate sliced steak topped spoon over the mushroom stock. Serve