Manufacturers of ice cream and related frozen dairy desserts combine, in varying proportions, a variety of dairy and nondairy ingredients, including sweeteners and flavorings, to make a liquid mix, freeze this mix while stirring to incorporate air and to produce small ice crystals and smooth texture, add flavorings, and serve the resulting products soft-frozen or shape them into ‘novelty’ items or package them for take-home products, and in either of the previous two cases harden them at very cold temperatures. The wide variety of product types includes ice cream, as defined by the legal jurisdiction, reduced- or low- or nonfat varieties, reduced- or low- or no-sugar varieties, frozen yogurt, sherbet, and others. Milk shakes and smoothies are also considered as frozen dairy desserts. Ice cream can be further subdivided into economy, standard, premium, and superpremium categories. With so many variables in formulations, ingredients, and processes available to the producer, and with opportunities to vary the shape, size, and presentation of the product, consumers are able to enjoy a surprisingly large variety of frozen desserts at a wide range of