Finely chop onion and leek and dice carrots and neep.
Add butter or oil to the pot and melt.
Add onion and leek and allow to cook for 5 minutes but not brown.
Add chopped carrots and neep.
Add split peas and barley and pour over the stock.
Bring to the boil then turn down to simmer for 1 hour.
Add shredded cabbage (or kale) and leftover meat if using and simmer for a further 15 minutes.
Stir through parsley before serving.
