Preheat the oven to 230 degrees. Fry the onions on low heat so they soften but not burn.

After the 20 minutes add vibiger and sugar. Continue cooking in low for a further 10 minutes.

Rub steaks with salt and pepper. With a good cask iron pan. Heat oil till smokey and sear the steak for one minute on each side.

Place in preheated oven and bake for 2 minutes. Place on board and test for 3 minutes. Cut across the grain and serve with steamed broccoli and balsamic onions.