
Bright, citrusy, and endlessly refreshing, this homemade sparkling water is the kind of drink that makes plain seltzer feel like a distant memory. A simple grapefruit syrup ā made by gently warming sugar, water, fresh grapefruit juice, and zest together ā gives every sip a vibrant, slightly tart flavor that no store-bought version can quite match. The syrup steeps off the heat so the zest can fully infuse before being strained out, leaving behind a beautifully clear, fragrant base. It then gets stirred gently into chilled sparkling water to keep all that satisfying fizz intact. Served over ice with a fresh grapefruit wedge, it looks as good as it tastes ā elegant enough for a dinner party, easy enough for a Tuesday afternoon. Every ingredient here is naturally free from tree nuts of any kind, so there's nothing to second-guess and no label-reading required.
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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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