Peel and chop your potatoes. Make them into smaller chunks than you would for roasties.

Slice the leeks into roughly 2cm think discs.

Chop up the onion into chunks.

Pop it all into your slow cooker.

Prepare your vegetable stock and pour over the vegetables.

Put slow cooker on high for 3 hours or medium heat for 4-5.

Use a stick blender until is smooth.

If it’s too think add a little water and stir. Stir in salt and peppers to taste!