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
Chocolate ice cream 1800, ice cream was a rare and exotic dessert enjoyed mostly by the elite. Around 1800 insulated houses were invented and manufacturing ice cream soon became an industry in America. Chocolate ice cream is generally made by blending cocoa powder along with the eggs, cream, vanilla and sugar used to make vanilla ice cream. Sometimes chocolate liquor is used in addition to cocoa powder, or it is used exclusively, to create the chocolate flavor. Cocoa powder gives chocolate ice cream its brown color, and it is uncommon to add other colorings. The Codex Alimentarius, which provides an international set of