Step 1

Peel and dice your celery, carrots, and onion.

Step 2

Place the onion, salt, pepper, thyme, and olive oil in your slow cooker and brown your topside on both sides and top and bottom until you have a wonderful brown colour on your topside.

Step 3

Remove the topside from the slow cooker and add in carrots, celery, and stock. Stir.

Step 4

Add the topside over the vegetables and place the lid on your slow cooker. Cook for four hours on high and then allow to cool for a further hour in the slow cooker to allow it be even more tender.

Step 5

Remove the beef and blend the contents of the slow cooker using a hand blender. Taste it and add extra salt if needed.

Step 6

Carve your roast beef.

Step 7

Serve together your slow cooker roast beef and gravy with your preferred sides.