Peel and chop all of the vegetables into large chunks
Peel and roughly chop the red onion
Peel and roughly chop the garlic
Add all of the ingredients to the slow cooker along with the water or stock
Leave to cook on slow for 8 hours or medium for 6 hours
When cooked, the vegetables will be completely tender, take the pan from the heat and blend until smooth
Add salt to taste
Add the coriander leaf
Serve and enjoy
Notes
This soup can be kept in the fridge for a few days if needed. It can also be frozen extremely well. Either use zip lock bags or Tupperware. Take out of the freezer and defrost in the fridge overnight before heating up in a saucepan until piping hot.