Making ice cream in a blender is the sort of ACME logic that seems like it has to work. Ice cream is just churned milk, blenders spin liquids round pretty quickly; it stands to reason that you could ...

A basic milkshake consists of ice cream and milk, but mix-ins and toppings provide endless variations. The easiest way to make a milkshake is with a blender, but it's also possible to do it by hand.