Liquid nitrogen cocktail in the preparation of frozen desserts, such as ice cream, which can be created within moments at the table because of the speed at which it cools food. Similarly, liquid nitrogen has become popular in the preparation of cocktails because it can be used to quickly chill glasses or freeze ingredients. It is also added to drinks to create a smoky effect, which is created by the cold nitrogen vapour (liquid nitrogen boils at -195.8 Celsius at normal atmospheric pressure) condensing the moisture (i.e., water vapor) in the surrounding air above. Because of its low temperature liquid nitrogen can be
Ice cream sandwich shape). The original ice cream sandwich was commonly known as a "cream between". One purchased a small block of ice cream wrapped in paper and placed it between two wafers. The classic Iranian ice cream sandwich is called بستنی نانی means bread-ice cream, and is made with Iranian traditional ice cream in two pieces of wafer. Iranian traditional ice cream usually is made of shaken milk, eggs, sugar, saffron, sa'lab, rose water, or vanilla. In North America, an ice cream sandwich is a slice of ice cream, usually vanilla although other flavors can be used, sandwiched between two rectangular cookie