
Bright, tangy, and just a little tropical, this pineapple shrub is the kind of homemade drinking vinegar that turns a plain glass of sparkling water into something genuinely exciting. Fresh pineapple chunks are coaxed with sugar over gentle heat until the fruit releases its juice, then apple cider vinegar and a pinch of kosher salt bring that signature sweet-tart depth that makes shrubs so addictive. The whole process is beautifully straightforward — no specialty equipment, no obscure ingredients, just pantry staples and a little patience while the concentrate chills overnight. For anyone navigating grain sensitivities, store-bought flavored sodas and cocktail mixers can be surprisingly tricky territory, but every single ingredient here is naturally free of barley and any grain-derived additives. Once strained and bottled, the shrub keeps in the fridge for up to four weeks, meaning you'll have a ready-made mixer on hand for weeks of effortless drinks. Splash it over ice with sparkling water for a refreshing sipper, or get creative and use it as a base for mocktails and cocktails alike.
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Combine the pineapple chunks and sugar in a medium saucepan. Stir to coat the fruit, then let the mixture sit at room temperature for 10 minutes until the sugar begins to dissolve and the pineapple releases some juice.
Place the saucepan over medium heat and cook, stirring occasionally, until the sugar is fully dissolved and the mixture just comes to a gentle simmer, about 3–5 minutes. Remove from heat immediately — do not boil vigorously.
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