Cocktail family · 01 of 07

The sour

Bright, tart and balanced. Spirit, fresh citrus and something sweet, shaken hard with ice. It's the backbone of cocktails: change the spirit or the sweetener and you get a new classic.

01What it is

A sour is the simplest balance in drinks: something strong, something sour and something sweet. Spirit, fresh citrus and a sweetener, shaken hard with ice until the shaker is too cold to hold.

Learn this one shape and a third of the classics suddenly make sense. A Daiquiri, a Margarita, a Whiskey Sour and a Sidecar are all the same idea with a different spirit or sweetener.

02A short history

Sours are among the oldest mixed drinks we still order. They grew out of punch, which sailors and traders made with spirit, citrus, sugar and water, and shrank it down to a single serve. The Gin Sour, Brandy Sour and Whiskey Sour were already in bar books in the 1860s.

Over the next hundred years bartenders kept swapping the parts: orange liqueur instead of sugar gave the Sidecar and the Margarita, honey gave the Bee's Knees, and egg white gave the silky Pisco Sour and Clover Club.

03The base recipe

50 mlspirit
25 mlfresh lemon or lime juice
20 mlsugar syrup (one part sugar, one part water)
optionalhalf an egg white, for foam

Taste and adjust. Sour lemons or a sweet liqueur change the balance, so the syrup is the part you move.

04Why it tastes this way

Acid against sugar

Citrus juice is sharp and syrup is sweet. In the right amounts they cancel each other's edges, and what's left is bright and juicy instead of sour or sugary.

Shaking does three jobs

A hard shake chills the drink fast, adds a little water that softens the alcohol, and whips in tiny air bubbles. That's why a shaken sour feels lively on the tongue.

Fresh juice matters most

Lemon and lime lose their fresh taste within hours of squeezing. Bottled juice makes a flat, bitter sour, so good bars squeeze theirs every day.

05The family tree

Same family, small changes. Each of these is one swap away from the next.

06Spot it on a menu

Look for these words. Tap one to see what it means.

sourlemonlimeegg whitefoamhoneyfresh citrus

A cocktail described as spirit plus lemon or lime plus a syrup or liqueur is a sour, whatever its name.

07How to order it

  1. Ask for it "up" for a cold, elegant glass, or "on the rocks" if you like to take your time.
  2. Egg white is often optional. Say "no egg" if you prefer, or ask if they have a vegan foamer.
  3. Want it less sweet? Ask for it "a little more sour". Bartenders adjust sours all the time.

08Mistakes to avoid

Bottled juice

The fastest way to ruin a sour. Always use fresh citrus.

A lazy shake

Shake hard for about ten seconds, or the drink stays warm and flat.

Too much syrup

Start with less. You can always add a little more sweetness, but you can't take it out.

09Start with these three

10All 31 sour classics

11Browse them in the library

See every sour classic as photo cards, next to the other lists in the cocktail library.

12If you like this family

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