Sheila Dillon, with the help of some famous food lovers (including Giorgio Locatelli, Cyrus Todiwala, Fuchsia Dunlop and Bee Wilson) hears about their favourite kitchen gadgets. From a 300 year clockwork roasting spit to a 21st century thermal blender, what are the must-have qualities of these kitchen necessities? And how do you choose from the ever increasing plethora of expensive all-singing-all-dancing gizmos on sale in large kitchenware departments.