David and Katie meet a new friend Mr. Sandwich in this exciting book. Mr. Sandwich loves healthy food so much he is made from it! He has orange carrot hair, a bright cherry tomato nose, a cheesey face. Mr. Sandwich turns David and Katie in to little chefs, showing them how to make their own yummy and healthy Mr. Sandwich for lunch. Mum explains why sweets and chips should only be eaten occasionally. Mr. Sandwich teaches them why healthy foods should be eaten everyday!