Sloes are the small, astringent fruit of the blackthorn bush, and steeped in gin they give a deep ruby liqueur with a plum-like tartness. Stirred with sweet vermouth and bitters, that fruit turns into something closer to a Manhattan than a fruit drink. Lower in alcohol than most stirred classics.
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Add sloe gin, sweet vermouth and bitters to a mixing glass with ice.
Stir for about 20 seconds until very cold.
Strain into the chilled glass.
Express a lemon peel over the drink and drop it in.
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Blackthorn
Taste
Tart plum and cherry fruit from the sloe gin, rounded by the herbal sweetness of vermouth, with a light bitter finish. Medium-bodied and fairly low in alcohol.
History and origin
Several quite different drinks have carried the name Blackthorn since the early twentieth century: one family pairs sloe gin with sweet vermouth, another uses Irish whiskey with dry vermouth and absinthe. The sloe gin version shown here is named after the blackthorn bush itself, whose berries are used to make the liqueur.
Sloe gin is traditionally made in England by steeping sloes in gin with sugar, often picked after the first frost. For decades it was hard to find a good commercial one outside Britain, and many bottles were artificially flavoured. The return of quality sloe gins in recent years has made this simple, stirred drink worth revisiting.
Bartender tips
Choose a real sloe gin made from fruit steeped in gin, around 26 to 29 % ABV; artificially flavoured versions taste of candy.
If your sloe gin is very sweet, add 15 ml London dry gin for backbone.
A dash of orange bitters alongside the Angostura brightens the fruit.
Variations
Irish Blackthorn
An unrelated drink of the same name: Irish whiskey and dry vermouth with a few dashes of absinthe and Angostura.
Sloe Gin Fizz
Shake sloe gin with lemon juice and sugar, then lengthen with soda water.
Frequently asked questions
What is sloe gin?
A liqueur made by steeping sloe berries, the fruit of the blackthorn, in gin with sugar. It is usually red and 25 to 30 % ABV.
Is the Blackthorn a strong cocktail?
Moderately. Because sloe gin is weaker than gin, the drink is lighter than a Manhattan or Martini.
Can I serve it on the rocks?
Yes. Strain it over a large ice cube in a rocks glass if you prefer a slower, cooler drink.