General knoweledge:
A milkshake is a sweet, cold beverage which is made from milk, ice cream or iced milk, and flavorings or sweeteners such as fruit syrupor chocolate sauce. Outside the United States, the drink is sometimes called a thickshake or a thick milkshake or in New England, afrappe, to differentiate it from other less-viscous forms of flavored milk.
Vanilla Shake
2 cups vanilla ice cream
1 cup whole milk
1/4 cup half & half
3 tablespoons sugar
1/8 teaspoon vanilla extract
Just mix the whole thing at the mixer, if its ready add some icerocks.