| ABV | Technique | Glass | 용량 |
|---|---|---|---|
| 14% | SHAKE | ROCKS | 130ml |
What is Whiskey Sour?
The Whiskey Sour is a classic sour cocktail built on bourbon whiskey, with an ABV of around 18%, first officially recorded in Jerry Thomas's seminal 1862 work "How to Mix Drinks." More than 160 years later it remains an IBA official cocktail and the archetype of every sour variation that followed — a perfect study in balance built from just three ingredients: whiskey, lemon juice, and sugar.
The word "Sour" itself encodes the drink's golden ratio of 2:1:1 (spirit : citrus : sweet). Bourbon's vanilla and caramel notes meet the bright acidity of fresh lemon, and the round body of simple syrup smooths every edge — making the Whiskey Sour one of the friendliest gateway cocktails for newcomers. Adding egg white turns it into a Boston Sour, where a silky velvet foam lifts the entire experience to another texture altogether.
Few cocktails are as honest as a Whiskey Sour. It looks easy on paper, but the difference between an average pour and a brilliant one comes down to the small details: squeezing the lemon to order, dialing in the syrup in 5ml increments, and watching the dilution as you shake. Master those, and you've mastered the foundation of the entire sour family — from Pisco Sour to Amaretto Sour to Margarita.
Whiskey Sour ABV
The Whiskey Sour clocks in at roughly 14% ABV — about 1.5 times the strength of an average wine and roughly half a neat shot of bourbon. The math behind it is straightforward: 45ml of 40% bourbon mixed with 30ml of fresh lemon juice and 15ml of simple syrup, then shaken with ice that adds another 25–35% dilution by volume. The result is a drink that's eminently sessionable while still carrying real backbone — sip slowly and you'll feel the warmth build by the bottom of the glass.
A Boston Sour (with egg white) feels noticeably softer at the same ABV because the protein wraps around the alcohol and tames its bite. Want a longer, lighter pour? Top it with 30–60ml of soda water for a sour highball variation. Looking for more punch instead? Bumping the bourbon to 60ml brings the ABV to roughly 24% without throwing off the balance. Swapping bourbon for rye whiskey keeps the same strength but introduces a drier, spicier profile that pairs beautifully with darker citrus and herbal liqueurs.
Whiskey Sour Ingredients
- 45ml - Bourbon Whiskey
- 25ml - Lemon Juice
- 20ml - Simple Syrup
- 1null - Egg White
Whiskey Sour Recipe
- Add 45ml bourbon whiskey, 25ml lemon juice, 20ml simple syrup, and 1 egg white to a shaker.
- Add ice and shake vigorously to create foam.
- Strain into a chilled old fashioned glass.
- Garnish with a lemon slice or cherry if desired.
Adding egg white creates a silky texture and creamy foam for a richer experience.
Whiskey Sour Taste
The first sip opens with the bright acidity of fresh lemon waking up the palate, immediately followed by bourbon's signature vanilla, caramel, and a soft whisper of oak smoke from the barrel. Simple syrup rounds off the corners, gently wrapping both the citrus tang and the alcoholic heat into a single cohesive note. A well-built Whiskey Sour shows no single dominant flavor — sour, sweet, spirit, and the subtle bitterness of citrus pith move in steady four-beat rhythm across every sip.
The finish lingers with the grain warmth of bourbon and the faint zest of lemon peel, inviting the next sip almost involuntarily. A Boston Sour delivers that same flavor profile but cloaked in cloud-soft foam from the egg white, lending an unmistakable mouthfeel of velvet. A New York Sour floats a layer of full-bodied red wine on top, painting the glass with dramatic color contrast and adding a tannic backbone that sharpens the acidity in the most theatrical way.
For food pairings, salty and fatty plates work best — think charcuterie boards, smoked salmon, aged cheddar, carpaccio, or a perfectly crisped piece of fried chicken. For dessert, lean into dark chocolate or a lemon tart that extends the citrus thread all the way to the last bite.
Whiskey Sour History
The Whiskey Sour traces back to the early-to-mid 19th century in the port cities of the American South. Sailors of the era used to drink "grog" — rum cut with lime juice and sugar to ward off scurvy on long voyages — and as bourbon flourished in the American interior, the same formula naturally migrated onto domestic spirits with lemon standing in for lime. The cocktail received its first formal record in 1862, when Jerry Thomas codified the "Sour" category in his landmark "How to Mix Drinks" — the first proper bartender's manual in American history. That single chapter became the genealogical root of every sour cocktail still made today, with the Whiskey Sour as its canonical reference point.
The 20th century brought variations that have themselves become classics. A Boston Sour adds egg white to create that signature silky foam; a New York Sour floats dry red wine for visual and tannic drama; and in 2005, New York bartender Sam Ross debuted the Penicillin — Scotch whisky, ginger, honey, and a peated Scotch float — instantly establishing a new modern sour standard recognized in cocktail bars worldwide.
Today the Whiskey Sour is an IBA official cocktail and a perennial bestseller from neighborhood bars to Michelin-starred lounges. International Whiskey Sour Day falls on August 25 each year, when bars across the globe celebrate the drink with house variations — proof that 160 years after Jerry Thomas wrote it down, the formula has lost none of its appeal.
