Whiskey sour, a classic whiskey cocktail with a bitter twist. 1 egg white, 50ml of Angels Envy bourbon, 25ml of sugar syrup, 25ml of lemon, 2 dashes of Angostura bitters & 1 dash of plum bitters. Shake over ice then dry shake & finish with feathered bitters. #strakers #londonfood #toplondonrestaurants #cocktails #bacardi #whiskey