Grapefruit bitters and grapefruit-inflected Sauvignon Blanc bring out the citrus flavor of London dry gin here. Slideshows: More Gin Cocktails
In a cocktail shaker, combine the gin, lemon juice, Simple Syrup, egg white and bitters and shake vigorously. Fill the shaker with ice and shake again. Strain into a chilled ice-filled rocks glass, top with the wine and garnish with the orange wheel.