Viennetta
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Viennetta is an ice cream product made in Unilever factories and sold under the various Heartbrand logos around the world. It was launched first by Wall's Ice Cream Ltd in 1982 using a technique devised by Kevin Hillman, development manager at Wall's Gloucester factory. The original Viennetta was a multi-layered product comprising layers of vanilla ice cream with sprayed on 'chocolate' layers. The layers of ice cream were extruded, one after another, onto trays sitting on a moving belt ... the secret of the format was that the rate of extrusion was greater than the speed of the belt which caused a 'bunching' of the ice cream; each layer was extruded at a different speed to the previous layer. The final effect was akin to a series of waves rippling through the product. This exciting visual aspect combined with the in-the-mouth contrast of the smooth ice cream covered in crisp 'chocolate' gave the product an instant appeal. Launched originally as a multi-portion dessert product, it has been so successful that Unilever, owners of Wall's, has produced many flavour and size variants, and turned Viennetta into a world-wide multi million Euro brand.
