Vanilla Shake, also known as Vanilla Milk Shake, is a milk-based beverage that is served across fast food joints and restaurants all across the world. Vanilla Shake is prepared using milk, vanilla ice cream and vanilla extract. All the ingredients are blended together in a mixer until a smooth and thick milk shake is formed. There are many variations to the original vanilla shake recipe such as Green Vanilla Bean Shake, Vanilla Decaf Coffee Shake and Strawberry Vanilla Shake.