Sarsaparilla is sometimes considered to be a type of root beer. It is a colorless, viscous liquid with a sweet fruity odor reminiscent of root beer. This mug was used by A&W for root beer at its A&W Root Beer stands. In 1964, Patio released orange, grape, and root beer flavors. It is listed as an ingredient in root beer and cream soda. Culver's is known for its frozen custard and root beer. An advertisement for Belfast Root Beer appears as early as 1947. It is used as a flavoring in candy and soft drinks, particularly root beer. Franchising was introduced in 1921 by A&W Root Beer. In 1962, she recorded a radio commercial for Hires Root Beer. Hires Rootin' Tootin' Root Beer! Examples include the Root beer float and the Milkshake. It is a component of the American-origin drink root beer. Stewart added extra salt to his popcorn to boost his root beer sales. Drinks like ginger ale and root beer are often brewed using yeast to cause carbonation.