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
Ice cream cone cones were rolled by hand, from hot and thin wafers, but in 1912, Frederick Bruckman, an inventor from Portland, Oregon, patented a machine for rolling ice cream cones. He sold his company to Nabisco in 1928, which is still producing ice cream cones as of 2017. Other ice-cream providers such as Ben & Jerry's make their own cones. In 1918, a Lebanese immigrant, Albert George, started the George & Thomas Cone Company, and began to mass-produce baked ice cream cones to sell to restaurants, as well as the everyday consumer. That company became Joy Ice Cream Cone Company, now named