1 carrot, grated
350g/12oz celeriac, peeled and chopped
2 sticks celery, grated
1 small bunch chives, finely chopped
200g/7oz floury potatoes, peeled and chopped into cubes
2 garlic cloves, roughly chopped
4 leeks, finely sliced
1 onion, grated
1 onion, finely chopped
stalks from a small bunch of parsley
1 sprig thyme, leaves only
salt and pepper
sea salt and freshly ground black pepper
olive oil