Boston Sour
A whiskey sour with a silky crown—bourbon, lemon, and simple syrup shaken with egg white for a classic foam.
19%
ABV
206
Calories
Coupe
Glass
Flavor Journey
History & Heritage
“Documented in 19th‑century bar guides, the Boston Sour adds egg white to the Whiskey Sour, yielding a lush, meringue‑like texture.”
Ingredients
Quality ingredients make all the difference. Each component plays a crucial role.
Method
Technique transforms ingredients into something extraordinary.
Dry shake, then shake with ice until frothy
Strain into a chilled coupe or over a large cube
Garnish with Angostura bitters art if desired
Glassware
Served up or on a large cube
Garnish
Master's Tips
Professional insights to elevate your craft
Dry shake with a spring for extra foam
Fine strain to remove ice shards
More to Explore
If you enjoyed this cocktail, these similar creations might capture your interest.
Whiskey Sour
A timeless blend of whiskey, lemon, and sugar shaken silky with egg white—template for the entire sour family.
Amaretto Sour
Jeffrey Morgenthaler's modernized sour builds cask-strength bourbon into amaretto, lemon and rich syrup for a silky, nutty treat.
Brandy Sour
A smooth, citrusy sour—brandy shaken with lemon, simple syrup, and optional egg white for a velvety cap.