Whiskey Sour - Cook's Science

Ingredients

50 g	whiskey
1	frozen egg white cube (about 30 grams)
15 g	lemon juice
8 g	granulated sugar
0.2 g	kosher salt
160 g	ice cubes

2 fluid ounces (¼ cup) whiskey

1 frozen egg white cube (about 1 ounce)

½ fluid ounce (1 tablespoon) lemon juice

2½ teaspoons granulated sugar

pinch kosher salt

1 cup ice cubes

Instructions

Cook's Note: This is our favorite way to use up egg whites leftover from yolk-heavy recipes, like our Runny Yolk Sauce. We freeze the whites in a standard ice cube tray and store them in a zipper-lock bag so that they are always ready to add a creamy froth to cocktails. One cube is equal to one egg white (so if you don’t have frozen whites on hand you can substitute one fresh egg white without adjusting the recipe). We prefer bourbon or rye whiskey for this recipe. While the instance of salmonella in raw egg whites is low, if you are at all concerned feel free to use pasteurized eggs. We’ve tested this recipe using both gram measurements and traditional U.S. volume and weight measurements so you get to pick the one that works best for you. Cocktail recipes are classically presented in fluid ounces and measured with a jigger; in the traditional version of this recipe we’ve listed liquid ingredients in both fluid ounces and tablespoon/teaspoon measures.

- 50 g whiskey
- 1 frozen egg white cube (about 30 grams)
- 15 g lemon juice
- 8 g granulated sugar
- 0.2 g kosher salt
Combine whiskey, egg white, lemon juice, sugar, and salt in cocktail shaker and vigorously shake until egg white has melted and drink is very foamy, 60 to 90 seconds.
- 160 g ice cubes
Add ice to cocktail shaker and vigorously shake for 30 seconds. Strain into chilled coupe or rocks glass and serve.

Instructions

- 2 fluid ounces (¼ cup) whiskey
- 1 frozen egg white cube (about 1 ounce)
- ½ fluid ounce (1 tablespoon) lemon juice
- 2½ teaspoons granulated sugar
- Pinch kosher salt
Combine whiskey, egg white, lemon juice, sugar, and salt in cocktail shaker and vigorously shake until egg white has melted and drink is very foamy, 60 to 90 seconds.
- 1 cup ice cubes
Add ice to cocktail shaker and vigorously shake for 30 seconds. Strain into chilled coupe or rocks glass and serve.

Ingredients

Instructions

Instructions

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