- 1 1/2 ounces gin (recommended: Bombay Sapphire)
- 3/4-ounce orange liqueur (recommended: Cointreau or orange curacao, not Triple Sec)
- 1/2-ounce fresh squeezed lime juice
- 2 dashes angostura bitters
- Ice cubes
- Lime wedge, for garnish
Combine all ingredients with ice in a cocktail shaker. Shake and strain into a martini glass. Serve straight up, garnished with a lime wedge.