Start by rimming your glass with salt. To do this, run a grapefruit slice or a little water around the rim of a highball or old-fashioned glass. Then, dip the rim into a small plate of salt, ensuring an even coating.
salt
Add a few ice cubes to the salt-rimmed glass to chill the drink.
ice
In a cocktail shaker, combine the gin or vodka with the grapefruit juice. Shake well to mix the ingredients thoroughly.
45 ml gin, 90 ml grapefruit juice
Strain the mixture into the prepared glass over the ice. Garnish with a slice of lime/grapefruit if desired.
lime
Your Salty Dog is ready to be enjoyed! The combination of salty rim, tart grapefruit juice, and smooth spirit makes for a refreshing cocktail.
Notes
For best result use freshly squeezed grapefruit not frozen