Powdered eggwhite is available from cake-decorating suppliers. Agar agar, guar gum and buckwheat flour are available from health food shops. Crystalised violets and violet essence are available from The Essential Ingredient. Liquid glucose is available from supermarkets. Blueberry powder is available from supersprout.com.au.
Watch Brent Savage from Sydney's Bentley restaurant make the violet ice-cream, blueberry, vanilla cream and meringue recipe live from the Harvey Norman Gourmet Institute Event on May 13 at Domayne Alexandria in an exclusive video on the Harvey Norman website.