Beefeater Ruby Negroni Posted on November 10, 2007 by Gin Queen 1 part Beefeater Gin ½ part Campari ½ part tawny port ¼ part raspberry syrup 3 parts prosecco Stir the first 4 ingredients on ice in a jug or glass and then strain into a champagne flute. Top up with prosecco and garnish with a raspberry.