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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 first cocktails to include egg white, showcasing the creativity of early mixologists.

Boston Sour Variations

Boston Sour with Rye This variation uses rye whiskey instead of blended whiskey, giving the cocktail a spicier and more complex flavor profile. Swap: Rye whiskey replaces blended whiskey
Fruity Boston Sour In this version, fresh fruit purees like raspberry or peach are added to the mix, introducing a fruity twist while retaining the original's creamy texture. Swap: Fruit puree is added alongside the lemon juice

Pairs Well With

Grilled salmon Roasted chicken with lemon Cheese platter with aged cheddar

Quick Facts

~200
Calories
Medium
Strength
5 min
Prep Time

Common Mistake

A common mistake is not shaking the cocktail long enough to properly aerate the egg white, which can result in a less frothy texture.

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 emulsify the ingredients, resulting in a smoother blend of flavors.

Can I make a Boston Sour without egg white?

Yes, you can make a Boston Sour without egg white if you prefer a lighter texture or want to avoid raw eggs. However, the cocktail will lose its signature frothiness and creamy mouthfeel, so consider using a foaming agent as an alternative.

What type of whiskey is best for a Boston Sour?

Blended whiskey is typically used for a Boston Sour, as it provides a smooth and balanced flavor that complements the tartness of the lemon. However, you can experiment with bourbon or rye whiskey for a more robust profile.

Is the Boston Sour served over ice?

No, the Boston Sour is usually served straight up in a whiskey sour glass without ice. This allows the cocktail to maintain its frothy texture and showcase the vibrant colors of the lemon and cherry garnish.

What is the best way to garnish a Boston Sour?

A classic garnish for a Boston Sour includes a slice of lemon and a cherry. The lemon adds a pop of color and a hint of citrus aroma, while the cherry provides a sweet contrast to the drink's tartness.

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