However, at that time a milkshake was not what we enjoy as one today.
What were the first milkshakes made from?
Milkshakes were an alcoholic whiskey drink that was described as a “…sturdy, healthful eggnog type of drink, with eggs, whiskey, etc., served as a tonic as well as a treat.”
By 1900, the term milkshake referred to “wholesome drinks made with chocolate, strawberry, or vanilla syrups.”
The milkshake made it into the mainstream when in 1922 a Walgreens employee in Chicago, Ivar “Pop” Coulson, took an old-fashioned malted milk (milk, chocolate, and malt) and added two scoops of ice cream, creating a drink which became popular, soon becoming a high-demand drink for young adults around the country.
By the 1930s, milkshakes were a popular drink at malt shops.
The automation of milkshakes developed in the 1930s, after the invention of freon-cooled refrigerators provided a safe, reliable way of automatically making and dispensing ice cream. In addition, the invention of the blender changed the consistency of the drink into what we know today.