Sours are among the oldest of cocktail recipes, known for the mixture of a strong spirit, a sweetener of your choice, and the sour element of lemon or lime – while an egg white in the mixture adds richness, without affecting the flavor.

What you'll learn in the How to make a Whiskey Sour lesson

• Get the recipe and technique down pat with help from bartender Dustin Haarstad as he shows you how to make a Whiskey Sour.

Who the Classic whiskey cocktails course is for

This online course is perfect for beginner bartenders and servers looking to up their mixology skills!