Put all the ingredients except the sweetcorn into a saucepan. Bring to the boil, cover, then lower the heat and simmer for 10-12 mins or until the vege are tender.
Add the sweetcorn to the pan and cook for 5 more mins.
Discard the bay leaf, then puree the milk and vege mixture in a blender or food processor, blending in batches if necessary, until the desired consistency has been reached.
Add the sweetcorn to the pan and cook for 5 more mins.
Discard the bay leaf, then puree the milk and vege mixture in a blender or food processor, blending in batches if necessary, until the desired consistency has been reached.