Iced Rosemary Grapefruit Cooler
Cold-brewed rosemary blended with fresh grapefruit and a touch of agave — a piney, bittersweet iced infusion that feels like a Mediterranean afternoon.
This cooler takes rosemary's forest-like sharpness and pairs it with grapefruit's bittersweet brightness, creating an iced drink that's refreshing without leaning on sugar to carry it.
Cold-brewing is essential here. Hot-brewed rosemary tea poured over ice can taste flat and overly resinous, while a slow cold extraction draws out the herb's brighter, more citrus-adjacent notes and leaves the harsher pine resin behind.
Grapefruit is the natural partner — its bitterness doesn't fight rosemary's intensity the way a sweeter fruit might, and the two together taste like something you'd be served on a sun-baked Mediterranean terrace.
Let this sit in the fridge overnight for the best flavor, then serve tall over plenty of ice. It's an ideal afternoon refresher on a warm day when you want something aromatic and bracing rather than sweet and heavy.
Ingredients
- 2 rosemary tea bags
- 3 cups cold water
- 1 grapefruit, sliced into rounds
- 1 tbsp agave or honey
- Sparkling water, to top off
- Fresh rosemary sprigs for garnish
- Ice cubes
How to make it
- 1Cold-brew: place the rosemary tea bags and grapefruit slices in cold water in a pitcher. Refrigerate for 8 to 12 hours.
- 2Strain through a fine sieve, pressing the grapefruit slices gently to release more juice. Discard the solids.
- 3Stir in the agave or honey until fully dissolved.
- 4Fill glasses with ice, pour in the rosemary-grapefruit base, and top with a splash of sparkling water. Garnish with a fresh rosemary sprig.
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