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Whiskey · Intermediate

Boston Sour

A Scotch sour with egg white, which rounds it off without sweetening it.

GlassCoupe
GarnishLemon slice and a cherry
6ozCoupe holds 6 oz of liquidStemmed, served up. The liquid is the whole drink.

Build

Blended Scotch2 oz60 ml1 oz30 ml1 ½ oz45 ml2 ½ oz75 ml3 oz90 ml
Lemon juice1 oz30 ml½ oz15 ml¾ oz20 ml1 ¼ oz35 ml1 ½ oz45 ml
Powdered sugar1 tsp5 ml
Egg white1

Rescaled to your 1 oz30 ml pour. Written around 2 oz60 ml.

Rescaled to your 1 ½ oz45 ml pour. Written around 2 oz60 ml.

Already built on your 2 oz60 ml pour.

Rescaled to your 2 ½ oz75 ml pour. Written around 2 oz60 ml.

Rescaled to your 3 oz90 ml pour. Written around 2 oz60 ml.

Tools

Contains raw eggRaw egg can carry salmonella. Pasteurised egg — fresh or cartoned white — works the same in a shaker and removes the risk; worth insisting on for anyone elderly or immunocompromised, and keep eggs refrigerated.

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Method

  1. Dry-shake everything without ice until it thickens.
  2. Add ice and shake again until cold.
  3. Strain into a chilled coupe and garnish with a lemon slice and a cherry.

Mixology by Whiphttps://mixologybywhip.com/recipes/boston-sour

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