Ice cream churns the ice cream mixture while cooled inside a household freezer. Some more expensive models have an inbuilt freezing element. A newer method is to add liquid nitrogen to the mixture while stirring it using a spoon or spatula for a few seconds; a similar technique, advocated by Heston Blumenthal as ideal for home cooks, is to add dry ice to the mixture while stirring for a few minutes. Some ice cream recipes call for making a custard, folding in whipped cream, and immediately freezing the mixture. Another method is to use a pre-frozen solution of salt and water, which
Peters Ice Cream over by Adelaide Steamship Company (AdSteam) in the late 1980s, and then by Pacific Dunlop (now known as Ansell) upon AdSteam's collapse. Pacific Dunlop sold its food assets in the mid-1990s, and the ice-cream division was acquired by Nestlé, which continued to market brands including Choc-Wedge, Drumstick, and Monaco Bar. Ownership of a separate Peters Ice Cream business in Western Australia passed as part of Peters and Brownes (PB) Foods to Fonterra in 2006 and to Nestlé in 2009, giving Nestlé nationwide control of the brand. Formerly, Peters in Western Australia exported ice-creams to Japan where it was called Lady