Ingredients
- 2 ozirish whiskey
- ¾ ozfresh lemon juice
- ½ ozfresh lime juice
- ½ ozsimple syrup
- 1 wholeegg white
- 🍋Lime wheel, fresh shamrock or mint sprig(garnish)
🔧 Tools
Instructions
- Combine the Irish whiskey, lemon juice, lime juice, simple syrup, and egg white in a cocktail shaker — no ice yet.
- Seal the shaker and dry shake vigorously for 15 seconds to emulsify the egg white and build foam.
- Add a full scoop of ice and shake again for another 15 seconds until very cold.
- Double strain through both a Hawthorne strainer and a fine mesh strainer into a chilled coupe glass.
- The foam will rise to the surface naturally. Garnish with a lime wheel and a small sprig of mint or fresh shamrock.
📜 History
The Shamrock Sour is a modern St. Patrick's Day cocktail that applies the whiskey sour template to Irish whiskey. While it has no single documented origin date, it gained widespread popularity in the 2010s as bartenders and home cocktail enthusiasts began creating holiday-specific riffs on classic cocktail formats. The name ties it firmly to Ireland through both the shamrock — the three-leafed clover that is a national symbol of Ireland — and the Irish whiskey base. Using two citrus juices (lemon and lime) gives it a more complex sourness than a standard whiskey sour, while egg white adds the silky, layered foam that makes it a striking visual drink for St. Patrick's Day social media content.
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