Cocktails Recipes Dubonnet Highball Recipe Ingredients 1 3/4 oz Dubonnet French vermouth8 oz ginger ale1 lemon spiral Pour dubonnet over ice cubes in a collins glass, and fill with ginger ale. Add a spiral of lemon peel, and serve. Spread the love Related posts: Dubonnet Cassis Recipe Bentley Recipe Temptation Cocktail Recipe Damn-your-eyes Recipe Alfonso Recipe Dubonnet Cocktail Recipe