
Few drinks feel as instantly refreshing as a tall glass of something bright pink, ice-cold, and bursting with summer fruit. This watermelon lemonade delivers exactly that — sweet, tart, and beautifully balanced without a single ingredient that raises red flags for anyone watching their iodine intake. Fresh watermelon, real lemon juice, plain granulated sugar, and water are all you need, and every one of those components is naturally low in iodine, so there's no label-reading stress involved. The blending and straining method pulls every drop of juice from the watermelon while leaving the pulp behind, giving you a silky-smooth drink that looks like it came from a fancy café. A quick homemade simple syrup lets you dial the sweetness exactly where you want it, which is a nice touch when you're already being thoughtful about what goes into your glass. Garnish with fresh mint and lemon slices if you want to make it feel a little extra special, or just pour it straight over ice and enjoy it immediately. It's the kind of drink that makes a restrictive eating period feel genuinely easy.
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Combine the sugar and 1/2 cup water in a small saucepan over medium heat, stirring until the sugar is fully dissolved, about 3–4 minutes. Remove from the heat and let the syrup cool for 10 minutes.
Add the watermelon cubes to a blender and blend on high until completely smooth, about 30–45 seconds.
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