All Cocktails Cocktail Cava with a twist A delicious and easy cocktail to impress at any dinner party. Ingredients Cordon Negro Cava Zest of one lemon 2 drops of Angostura bitters ½ teaspoon of sugar (to taste) Decoration Lemon peel Lemon zest Cocktail recipe Thinking of making this cocktail? Print or save it for later. Get the recipe Method Add two drops of angostura bitters to your glass. Add in 1/2 teaspoon of sugar (you can add more later if needed). The best bit - add your cava! Give the cocktail a quick stir making sure all that sugar is dissolved. Add a sprinkle of lemon zest to your glass. Finally take your lemon peel, rub it along the edge of the glass, and finish by placing it on the side of the glass.