Using a 6 litre slow cooker. 

  1. Using a frypan or a searing slow cooker, heat the oil over a medium heat and sauté the onion and garlic until golden brown, approximately 6 minutes, stirring occasionally. Place into the slow cooker bowl.
  2. In the same frypan, add the beef and seal until browned on all sides and place into the slow cooker.
  3. Add the carrots, celery, thyme, rosemary, passata and stock to the slow cooker bowl and stir until combined.
  4. Place the lid onto the slow cooker and select the LOW setting for 10-12 hours, the HIGH setting for 8-10 hours or the AUTO setting for 8-12 hours.
  5. Remove the lid and serve with mashed potatoes or cooked pasta.