Moscow mule

A Moscow mule, also known as a Vodka buck, is a buck made with vodka, ginger beer, and lime juice, garnished with a slice or wedge of lime. It is usually served in a copper mug. The cocktail became popular during the vodka craze in the United States during the 1950s. The name refers to the popular perception of vodka as a Russian product.

Ingredients

4.5cl (9 parts) vodka
0.5cl (1 part) lime juice
12cl (24 parts) ginger beer

Drinkware

copper mug

Preparation

Combine vodka and ginger beer in a highball glass filled with ice. Add lime juice. Stir gently and garnish with a lime slice.

Source: Wikipedia