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
Fried ice cream also came to be associated with Mexican cuisine, in large part due to national chain Chi-Chi's adopting a fried ice cream made with tortillas and cinnamon as its "signature dessert" when it opened in the early 1980s. The connection with Asian cuisine is also reflected in Australia. In Australia, fried ice cream is strongly associated with Australian Chinese cuisine. The dessert is commonly made by taking a scoop of ice cream frozen well below the temperature at which ice cream is generally kept, possibly coating it in raw egg, rolling it in cornflakes or cookie crumbs, and briefly deep frying