Ingredients for 6 servings

servings
  1. 1 beef roast weighing 1.2 kg (2.6 lb), rump, sirloin or chuck
  2. 1 onion
  3. 1 knob of butter
  4. 1 tablespoon of grapeseed oil
  5. 1 bay leaf
  6. A little thyme
  7. Salt and freshly ground pepper