Pisco Sour

What makes a Pisco Sour work

Three things have to line up: a fragrant, unaged pisco, a full measure of fresh lime, and an egg white whipped into a dense, glossy cap. The drink should be sharply acidic with a floral lift, and the foam thick enough to hold a line of bitters.

Pisco Sour measures in ml and oz

The Peruvian ratio is simple: two parts pisco, three quarters of a part lime, three quarters of a part syrup, one egg white.

Choose a Quebranta for a clean base, or an Italia or Torontel grape for something more aromatic. Chilean pisco is often aged and sweeter, so pull the syrup back to 15 ml.

Technique: the dry shake and the second shake

Combine the pisco, lime, syrup and egg white in a shaker without ice and shake hard for 20 seconds. This dry shake is what builds the foam: the proteins unfold and trap air. Then add cubed ice and shake again for 12 to 15 seconds to chill and dilute. Double strain into a chilled coupe.

Dot three or four dashes of Angostura across the foam in a line, then drag a toothpick through the dots to pull a feathered pattern. Work quickly, because the bitters sink within a minute.

Alcohol strength and calories

Peruvian pisco is 40 to 42% ABV and the drink is short, so expect roughly 22 to 24% ABV after shaking. One serve holds around 190 kcal and some 24 ml of pure alcohol.

Substitutions and fixes

• No egg white — use 20 ml of aquafaba from a tin of chickpeas, or 15 ml of pasteurised liquid egg white. Both foam well and taste neutral.
• No pisco — a fragrant unaged brandy or a floral white rum gives a similar structure.
• Too tart — add 5 ml of syrup, never water.

Common mistakes and how to fix them

• Shaking with ice first. The ice dilutes the proteins before they can emulsify and the foam never forms.
• A wet shaker or wet glass. Residual water breaks the foam.
• A warm glass. The cap collapses within thirty seconds.

Named variations

• Chilcano — pisco, lime and ginger ale over ice; long, light and much weaker.
• Pisco Punch — pisco with pineapple and citrus, served over ice in a tall glass.
• Capitán — pisco with sweet vermouth, stirred and served up.

When to serve a Pisco Sour

Serve it before dinner, very cold, with salty snacks: corn nuts, fried plantain, ceviche or olives. The acidity cuts through fried food, and the short serve makes it a good aperitif.

Pisco Sour FAQ

Do you need a dry shake for a Pisco Sour?

Yes. Shaking the egg white without ice for 20 seconds builds the foam; the second shake with ice chills and dilutes the drink. Skip it and you get a flat, watery sour.

Can you make a Pisco Sour without egg white?

Yes. Use 20 ml of aquafaba from a tin of chickpeas, or pasteurised liquid egg white, and keep the dry shake. The texture is slightly less dense but the drink still holds a cap.