Carlin Pea and roots soup

|The main winter root veg in this week's soup is parsnips. They go really well with other basic veg and thyme to make a chunky winter soup. |carlin peas leek onions parsnips potatoes|2 tbsp olive oil 1 onion peeled and finely diced1 carrot peeled and finely diced1 potato peeled and finely diced1 leek washed and finely sliced2 parsnips peeled and diced250 g cooked carlin peas (see note about pre-soaking)generous sprig of thyme1 ltr veg stockSalt & pepper|Heat the oil in a large saucepan. Add all the diced veg and sweat for 20 mins on a low heat. Stir from time to time to stop it from sticking.Add the carlin peas stock thyme and bring to the boil. Season as needed.Simmer for twenty minutes till the veg is tender but not mushy.Remove the thyme stalks check seasoning and serve.|20.00 minutes|6|