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Boston Sour cocktail
Alcoholic Ordinary Drink Whiskey sour glass Medium

Boston Sour

The Boston Sour is a delightful twist on the classic whiskey sour, featuring the creamy texture of egg white that adds a luxurious mouthfeel. With a perfect balance of tart lemon and sweet sugar, this cocktail is both refreshing and satisfying, making it ideal for any occasion.

6 Ingredients
5 min Prep Time
Whiskey sour glass Glass
Chilled Best Served
sweet sour creamy

Ingredients

  • Blended whiskey spirit 60 ml (2 oz)
  • Lemon juice juice Juice of 1/2 Lemon
  • Powdered sugar syrup 1 tsp
  • Egg white 1
  • Lemon slice garnish 1 slice
  • Cherry garnish 1

How to Make a Boston Sour

Shake juice of lemon, powdered sugar, blended whiskey, and egg white with cracked ice and strain into a whiskey sour glass. Add the slice of lemon, top with the cherry, and serve.

Bartender Tip

💡

For a frothier texture, dry shake the ingredients without ice first before shaking with ice.

History of the Boston Sour

The Boston Sour is believed to have originated in the 19th century, evolving from the traditional whiskey sour by incorporating egg white for added richness. It reflects the creativity of bartenders in Boston during that time.

About the Boston Sour

The Boston Sour is a ordinary drink that belongs to the alcoholic family of cocktails. It is traditionally prepared with Blended whiskey, Lemon, Powdered sugar and served in a Whiskey sour glass.

Best enjoyed at parties, with dinner, during celebrations.

As with all alcoholic beverages, please enjoy this cocktail responsibly.

Did You Know?

The Boston Sour is believed to have originated in the 19th century and is one of the earliest cocktails to incorporate egg white, showcasing the creativity of early mixologists.

Boston Sour Variations

Boston Sour with Bourbon This variation uses bourbon instead of blended whiskey, giving the cocktail a richer, sweeter flavor profile. Swap: Blended whiskey is replaced with bourbon.
Fruit-Infused Boston Sour In this version, fresh fruit puree, such as raspberry or peach, is added to the mix for a fruity twist on the classic. Swap: Add fruit puree to the original ingredients.

Pairs Well With

Grilled chicken Pecan pie Cheese platter

Quick Facts

~200
Calories
Medium
Strength
5 min
Prep Time

Common Mistake

A common mistake is not shaking the cocktail long enough, which can result in a less frothy texture and a poorly mixed drink.

Frequently Asked Questions

What is the role of egg white in a Boston Sour?

The egg white in a Boston Sour serves to create a frothy texture and a silky mouthfeel, enhancing the overall drinking experience. It also helps to balance the acidity of the lemon juice with its creamy richness.

Can I make a Boston Sour without egg white?

Yes, you can make a Boston Sour without egg white, but it will lose the signature frothy texture. You can substitute the egg white with aquafaba (chickpea brine) for a vegan alternative that still provides a similar mouthfeel.

What type of whiskey is best for a Boston Sour?

Blended whiskey is traditionally used for a Boston Sour, but you can experiment with other types like bourbon or rye. Each whiskey will impart its unique flavor profile, so choose one that you enjoy.

How can I adjust the sweetness of my Boston Sour?

To adjust the sweetness of your Boston Sour, you can modify the amount of powdered sugar used. If you prefer a sweeter drink, add a little more sugar, or if you like it less sweet, reduce the sugar or use a sugar substitute.

What is the best way to garnish a Boston Sour?

The traditional garnish for a Boston Sour includes a slice of lemon and a cherry, which not only adds visual appeal but also complements the drink's flavors. For an extra touch, consider adding a sprig of mint for freshness.

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