Boston Sour

Photo of Boston Sour cocktail

Overview

The Boston Sour is a silky, citrus-forward twist on the classic Whiskey Sour, enriched with egg white for a smooth texture and a refined, creamy foam.

Preparation Method

Dry shake all ingredients. Add ice and shake again. Strain into an Old Fashioned glass. Garnish with a lemon peel.

Structural Profile and Sensory Characteristics

Structural Breakdown

Flavor Balance and Intensity Breakdown

Sweetness
Acidity
Bitterness
Herbal
Spice
Fruitiness
Smokiness

Organoleptic Profile: Aromatic and Taste Intensity

Blended Whiskey
Base spirit Balancing Spirit Highball Foundation
Lemon Juice
Primary Acid Freshness Driver Structural Balancer
Powdered Sugar
Sweetening Agent Rapid Dissolution Sugar Balance Softener
Egg White
Foam Builder Texture agent Balance Softener
Lemon Peel
Aromatic Garnish Citrus Oil Source Surface Aroma Modifier Visual Accent

Boston Sour Deep Dive: History, Style, and Use

Serving Style

Served in an Old Fashioned glass with a clean lemon peel accent, showcasing a pale yellow body topped with fine, velvety foam.

Food Pairings

Ideal with savory starters like fried chicken bites, bacon-wrapped dates, or sharp cheeses.

Origins

A historic variation of the Whiskey Sour, the Boston Sour emerged in early 20th-century bartending books, adding egg white for extra smoothness.

Best Occasions

Perfect as a pre-dinner cocktail or for relaxed gatherings where balanced, classic drinks shine.

Tasting Notes

Bright citrus aroma, creamy mouthfeel, and a harmonious blend of sweet, sour, and whiskey warmth.

Style & Character

Elegant, smooth, approachable — a timeless cocktail with modern refinement.

Variations

Try rye whiskey for a spicier profile, or add a dash of bitters for more depth.

Alcohol Strength

15%

⚠️ Alcoholic beverage: not suitable for minors, pregnant individuals, or designated drivers. Please enjoy responsibly.

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