Recipes The One Walnut Be the first to rate & review! One Walnut • ClevelandOne Walnut prepares this after-dinner cocktail with Nocello, an Italian walnut liqueur.Plus: Ultimate Cocktail Guide By Food & Wine Editors Updated on December 3, 2015 Print Rate It Share Share Tweet Pin Email Yield: 1 drink Ingredients Ice 1 ½ ounces coconut rum 1 ounce coffee liqueur ½ ounce walnut liqueur 1 ½ teaspoons half-and-half 1 spiced or candied walnut (optional) Directions Fill a cocktail shaker with ice. Add the rum, liqueurs and half-and-half and shake well. Strain into a chilled martini glass and garnish with the walnut, if using. Rate it Print