4 months Winter vegetable puree Ingredients 1 potato 1 carrot 1 swede 1 brussel sprout Peel and trim all the vegetables, dice and place in a small saucepan, cover with water and simmer for 30 minutes. Drain the vegetables, reserving the cooking water Mash the vegetables add a little of the cooking water and blend until smooth, adding more liquid if needed to obtain the correct consistency.