
Refreshing, vibrant, and endlessly sippable, this sparkling agua fresca is built around blended grapes, fresh mint, and a bright hit of lime juice — a combination that tastes far more sophisticated than the short ingredient list suggests. For anyone navigating a low-iodine eating plan, beverages can be a surprisingly tricky category, but every ingredient here is naturally free of iodine concerns, from the fresh fruit to the maple syrup sweetener. The grape-mint base gets strained until silky smooth, then gently combined with chilled sparkling water right before serving so you get maximum fizz in every glass. A pinch of fine salt rounds out the flavors without tipping into anything processed or problematic. It works equally well as a midday refresher, a mocktail for guests, or something pretty to sip alongside a weekend brunch spread. The garnish of mint sprigs and lime slices makes it look like something you'd pay good money for at a café — but it comes together in your own kitchen with almost no effort at all.
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Combine the grapes, mint leaves, lime juice, maple syrup, cold water, and salt in a blender. Blend on high until completely smooth, about 45 seconds.
Pour the blended mixture through a fine-mesh strainer set over a pitcher, pressing the solids with the back of a spoon to extract as much liquid as possible. Discard the solids.
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