Fresh grapefruit is tart and a little bitter; the salt rim softens that bitterness and makes the fruit taste sweeter and juicier. Add gin and plenty of ice and you have one of the simplest good highballs there is.
3.9Editors’ rating
Taste3.9
Balance4
Easy to make4.8
Popularity45
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Garnish: Salt rim and grapefruit slice · Ice: Ice cubes
Method
Moisten half the rim of a highball glass with a grapefruit wedge and dip it in coarse salt.
Fill the glass with ice.
Add the gin or vodka and the grapefruit juice.
Stir gently and garnish with a grapefruit slice.
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Watch it made
Salty Dog
Taste
Tart and refreshing grapefruit with a gently bitter edge, rounded by salt. Light to medium strength and very drinkable.
History and origin
The Salty Dog is a Greyhound, gin or vodka with grapefruit juice, served in a glass with a salted rim. Gin with grapefruit juice was being mixed well before the Second World War, and the name Greyhound is documented by the mid-1940s. The salted version followed around the middle of the century, and as vodka became widely popular in the United States in the 1950s and 1960s, many bars switched the base spirit.
The salt is more than decoration. A little salt suppresses bitterness on the tongue, so the grapefruit tastes rounder and fruitier. Cooks use the same trick, and it goes a long way to explain why such a plain drink has stayed on bar menus for decades. Today both gin and vodka versions are common.
Bartender tips
Salt only half the rim so each sip can be taken with or without salt.
Freshly squeezed grapefruit tastes far brighter than bottled juice; pink grapefruit is a little sweeter.
If your grapefruit is very tart, add 5 ml simple syrup.