coarsely grate carrot and parsnip

finely chopp onion

melt a knob of butter in a sauce pan and add carrot, parsnips onions and cumin

mix together.

put lid on pot and let ingredients sweat on a low heat for about 5 minutes

stir a few times to stop sticking

add stock and simmer for half an hour

use blender to smooth soup, add seasoning if required.

stir in some cream if liked