Peel and chop the vegetables. Cook them in a large saucepan of boiling water for about 15 minutes.
Blend, and then pour the mixture into a saucepan.
Add 270ml of water and gently cook for about 5 minutes.
Then pour in the pasta and cook as per the cooking time indicated on the packet. Add 9 measuring scoops of follow-on formula at the end of the cooking time.
Add a knob of butter before serving.