Preheat oven to 200C

Put tomatoes, garlic and rosemary on baking tray and sprinkle with olive oil and brown sugar. Salt and pepper to taste.

Roast for 15-20 minutes.

Spread a little Marmite on the steak, season with pepper, and sprinkle with some olive oil and balsamic vinegar.

Fry over high heat in a pan for 7-10 minutes.

Put wheel of feta (just before the steak is done) on a baking tray and oven roast till just before it melts.

Place steak on plate with tomatoes and cheese on top of it.

Serve with potato wedges and salad.