
Bright, citrusy, and genuinely refreshing, this homemade sparkling water is the kind of drink that makes you wonder why you ever reached for a can. The secret is a quick grapefruit syrup made by simmering real sugar, water, fresh grapefruit juice, and zest together ā no mystery ingredients, no lab-created citrus notes, just the real thing. Steeping the zest in the warm syrup pulls out every bit of that aromatic, slightly bitter grapefruit character before it gets strained clean and stirred into chilled sparkling water. Store-bought flavored sparkling waters often rely on "natural and artificial flavors" to mimic fruit, which can be frustrating when you just want something straightforward and clean. This recipe sidesteps all of that by letting an actual grapefruit do the heavy lifting. The result is lightly sweet, beautifully effervescent, and tastes like the fanciest thing on the table ā especially with a fresh grapefruit wedge balanced on the rim.
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Learn more ā4 servings






Combine the sugar, water, grapefruit zest, and grapefruit juice in a small saucepan over medium heat, stirring until the sugar is fully dissolved, about 3ā4 minutes. Do not boil.
Remove from heat and let the syrup steep for 15ā20 minutes, until cooled to room temperature and the zest flavor has infused.
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