Sweetheart Chocolate Martini | 3/4 cup half-and-half or light cream 8 ounces dark chocolate liqueur (1 cup) 2 ounces vodka (1/4 cup) Ice cubes | 1. In a pitcher, stir together the half-and-half or light cream, chocolate liqueur, and vodka. Place ice cubes in a martini shaker. Add liqueur mixture; shake. Strain mixture into four to six chilled martini glasses.