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
Green tea ice cream gradually helped people learn about green tea, resulting in green tea ice cream becoming a typical dessert. In those days, there were two different kinds of green tea ice cream served at restaurants. One was made by mixing dissolved matcha powder into vanilla ice cream in a restaurant’s kitchen, while the other was made by a local ice cream manufacturer who did not know the proper way to make the dessert. In the first method, ice cream had to be melted once and refrozen when they mixed in the dissolved matcha powder, resulting in the ice cream having an undesired