
Chef Juliana
Água de Coco
You think opening a coconut belongs to the beach vendor. It doesn't. Chill the fruit, shave the cap, tap a small door, and you've solved the cold drink beside your pê-efe.
A cooking platform built around craft, culture, and the stories behind what we eat.

Created by
You think clear amber cajuina is factory magic. It isn't. Fresh caju juice, a careful straining, slow heat, and patience turn the fruit into something bright, Brazilian, and worth chilling.
You look at a bottle of clear amber cajuina and think, isso nao e pra mim. I know. I thought half the kitchen wasn't for me until I finally got tired of being hungry and afraid of the stove. Anota ai: cooking isn't a gift, it's something you learn, and this is mostly fruit juice, cloth, heat, and the discipline not to rush.
Cajuina belongs beside the Brazilian table because it tastes like the same country that makes a pê-efe out of rice, beans, something from the pan, and something green. Not fancy. Complete. A gente eats real food, then drinks something made from real fruit, not a powdered packet pretending it remembers a tree.
The method matters because caju juice is cloudy and full of tannins. You let a little gelatin help the solids gather, then strain until the liquid runs clear, because clarity is what lets the slow oven turn it golden instead of muddy. Then you bake the sealed bottles gently until the juice caramelizes into that clean amber color.
Use fresh ripe cashew apples when they're actually good, cheap, local, fragrant, and not dragged half-dead across a continent. Want it out of season? I won't stop you. Just don't blame the recipe if the fruit tastes tired.
Cajuina is most strongly associated with Piaui, where it became a point of state pride and is traditionally made from clarified juice of the cashew apple, not the nut. The drink was recognized by Brazil's heritage institute in 2014 as part of the cultural reference of Piaui, tied to home production, family bottles, and festive tables. Its amber color comes from slow heat after clarification, not from added caramel or coloring.
Quantity
12, about 2 kg
washed, bruised spots trimmed
Quantity
1/4 cup
only if needed to start the blender
Quantity
1 tablespoon
Quantity
1/4 cup
for blooming the gelatin
| Ingredient | Quantity |
|---|---|
| ripe cashew appleswashed, bruised spots trimmed | 12, about 2 kg |
| water (optional)only if needed to start the blender | 1/4 cup |
| unflavored gelatin powder | 1 tablespoon |
| cold waterfor blooming the gelatin | 1/4 cup |
Use ripe cashew apples that smell sweet and tropical, with thin skin and no sour fermented smell. Trim bruised spots and wash gently. This drink has almost nowhere to hide, so tired fruit gives tired cajuina, and you'll blame your hands instead of the season.
Cut the cashew apples into chunks and blend in batches, adding only a splash of water if the blender refuses to move. Pulse just until the fruit breaks down and turns juicy. Too much blending beats bitterness out of the fibers, and too much water steals the flavor.
Pour the pulp through a clean cloth into a bowl and squeeze firmly until you have about 6 cups of cloudy juice. Stop when the cloth gives you more foam than juice. The first strain removes the big fibers so the clarifying step can do its quiet work.
Sprinkle the gelatin over 1/4 cup cold water and let it sit for 5 minutes, until it looks swollen and matte. Don't dump dry gelatin into the juice. It clumps, sulks, and makes you chase little beads through the bowl like a person with no Saturday left.
Warm 1 cup of the strained caju juice in a small pan just until hot to the touch, then stir in the bloomed gelatin until dissolved. Mix it back into the rest of the juice and let it sit 20 to 30 minutes, until cloudy solids gather and the liquid begins to separate. The gelatin catches the tannins and fine pulp so the final drink turns clear, not murky.
Line a sieve with a clean cloth or coffee filters and pour the juice through slowly, without pressing the sediment. Let gravity do the job. If you squeeze here, you push the cloudy solids right back in, and then the oven bakes a muddy drink instead of cajuina.
Heat the oven to 120°C (250°F). Pour the clear juice into clean heatproof glass bottles or jars, leaving 2 cm of space at the top, and close them loosely if using lids. Set them in a baking dish with a folded towel underneath and add hot water halfway up the sides. The water bath softens the heat so the juice caramelizes slowly instead of cooking hard at the edges.
Bake for 1 1/2 to 2 hours, until the juice turns clear honey-amber. Check the color, not your impatience. Pale means it needs more time; dark brown means you pushed past cajuina into bitterness. When the color is right, tighten the lids carefully and cool completely.
Refrigerate until cold, at least 4 hours. Serve in small glasses, clear and amber, with no garnish fighting the fruit. The flavor should be gently sweet, a little tannic, and clean. That's comida de verdade in a glass, made by patience, not a packet.
1 serving (about 240g)
Culinary guides, cultural storytelling, and the editorial depth that makes cooking meaningful.
Discover Culinary Explorer
Chef Juliana
You think opening a coconut belongs to the beach vendor. It doesn't. Chill the fruit, shave the cap, tap a small door, and you've solved the cold drink beside your pê-efe.

Chef Juliana
Nobody is scared of a blender. Cachaça, coconut milk, condensed milk, and ice go in, and thirty seconds later the churrasco drink is solved.

Chef Juliana
You don't need a bar kit. Fresh maracujá, cachaça, condensed milk, and thirty honest seconds in the blender make a cold Brazilian toast that tastes bright, tart, and grown-up.

Chef Juliana
You don't need a machine to make coffee that smells like a Brazilian kitchen. Hot water, fresh grounds, a clean coador de pano, and the patience to pour like you mean it.