Ingredients: 1 1/2 oz gin, 1 oz Cointreau, 3/4 oz lemon juice. Shake with ice and strain into a chilled glass.
Source: The Essential Cocktail by Dale Degroff
This was invented by Harry Craddock, of Savoy Hotel fame. Basically it’s a sidecar but with gin. Pretty tasty, although as usual Degroff errs on the sweet side by upping the Cointreau. If I have this again, I’ll probably try the original recipe, which was equal parts Cointreau and lemon juice.