Classic Whiskey Sour RecipeAugust 22, 2018 Recipes Hilary Baumann Print Classic Whiskey Sour Ingredients1 egg white1 oz simple syrup2/3 oz lemon juice1/3 oz lime juice2 oz Maker's Mark One of several recipes from the August 2018 Bourbon University at the Kentucky Castle. Post navigationPrevious Barrel Aged Old Fashioned RecipeNext Kentucky Flip Recipe