Use this simple recipe to make a simple syrup with your favorite fruit juice to add to any cocktail.
In a heavy-bottomed saucepan over medium-high heat, whisk sugar and pineapple or grapefruit juice together until the sugar has dissolved, about 5 minutes. Let cool before transferring to a serving bottle.
You can use this technique to create a variety of simple syrup juices to add to your cocktails. Whether you want to make a concentrated tea flavor, watermelon juice, apple juice, or more, this technique will help you add a touch of sweetness and tons of flavor.