Save Lately, the gentle clink of glasses and the wild effervescence of summer have drawn me into cool experiments in my kitchen. The allure of canned lychees—translucent and fragrant—beckoned from my pantry one humid afternoon, so I decided to rescue them from their tin and create something lively and bright. Agar jelly was new terrain for me, promising that delightful, clean set that always feels a bit magical once it’s chilled. What surprised me most was how the aromas of yuzu and lychee seemed to perfume the whole room, sparking grins from anyone who walked past. This dessert quickly became my warm-weather party trick—delicate, showy, and astonishingly simple.
One quiet evening, I served these transparent lychee jelly cubes at a small dinner with friends—no occasion, just a streak of sunlight on my countertop and a bit of midweek whimsy. We’d spent most of dinner talking about summer travels, and nothing interrupted our conversation—until the first spoonful brought a pause, then laughter as mint leaves got hopelessly muddled in the fizz. I loved that moment: the sweet, tart, and cool flavors stole the spotlight for just a minute, binding us all with shared surprise.
Ingredients
- Lychee juice (400 ml): Use the syrup from canned lychees for best flavor—it’s both fragrant and already sweetened, which sets the stage for the whole jelly.
- Agar-agar powder (1 tbsp): Sprinkle it patiently and whisk until dissolved, otherwise you might find mysterious little lumps where you least want them.
- Granulated sugar (2 tbsp): It’s a gentle boost for the lychee and makes the jelly truly refreshing when served cold.
- Canned lychees, whole (8, optional): Halving these and tucking them into the jelly adds visual delight and a juicy bite.
- Sparkling water, chilled (500 ml): Go for extra fizzy—the bubbles help cut the delicacy of the jelly and add incredible lift.
- Yuzu juice (60 ml): The sharpness of yuzu is what makes the dessert feel like summer—bottled is fine, but fresh is a zesty upgrade.
- Simple syrup (2 tbsp): Taste before you pour; adjust the syrup for tartness or extra sweetness as you wish.
- Ice cubes, as needed: Essential for keeping everything brisk and crisp in the glass.
- Fresh mint leaves (optional): They’re not just garnish—the scent goes straight to your senses when you raise your glass.
- Lime or yuzu slices (optional): Adds a bright pop of color and an extra tang if you like finishing touches.
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Instructions
- Whisk and Heat:
- In a small saucepan, whisk together lychee juice, agar-agar powder, and sugar until no flecks remain, then bring it to a gentle boil over medium heat while stirring constantly.
- Simmer and Set:
- Maintain a bubble and continue stirring for about 2 minutes—this is when the agar really comes alive—then pour the hot mixture into a square mold and nestle lychee halves throughout if using.
- Chill to Perfection:
- Allow the mold to cool briefly at room temperature, then refrigerate until the jelly is satisfyingly firm, usually about 1–2 hours.
- Cut and Arrange:
- Gently tip the set jelly onto a chopping board, slice into neat 2 cm cubes, and distribute them among serving glasses.
- Mix Sparkling Yuzu:
- In a pitcher, stir together well-chilled sparkling water, yuzu juice, and simple syrup, tasting and tweaking the sweetness as you go.
- Assemble and Garnish:
- Add a few ice cubes to each glass over the jelly, pour in the sparkling yuzu mixture, and crown with mint leaves and citrus slices for a flourish.
Save 
Save The afternoon my cousin first tasted this, she actually took her glass out onto the balcony and shuffled through every patch of sun to show off the jelly cubes glinting inside. What started as just a dessert turned into a bit of playful, sparkling theater, and suddenly everyone at the table was angling for the prettiest cubes and the fizziest pour. That’s the dish’s quiet superpower—it invites pure joy, just as much as flavor.
Choosing the Right Agar and Juice Matters
I once tried a different brand of agar and my poor jelly sat in the fridge overnight, still wobbling sadly. Since then, I scout for pure agar powder and stick with lychee syrup from the can, which delivers a consistent, clear set and gentle sweetness every time.
Garnish Makes All the Difference
One evening, a last-minute handful of mint and a slice of lime turned this dessert from delicate to downright striking. The scent bursts upward the moment you take a spoonful, and guests always comment when you go the extra mile with the garnish.
Twists to Try and Last Minute Tips
Don’t hesitate to swap in a little elderflower syrup for the simple syrup, or tuck a few berries amongst the lychees for color. Change the size of the jelly cubes for picnic-friendly snackers, or pour the sparkling yuzu at the table as a bit of a showstopper.
- Cut the jelly with a very sharp knife to keep clean, glass-like edges.
- Serve everything ice-cold for maximum refreshment.
- Set aside some lychees for garnish—they’re the first to disappear!
Save 
Save However you serve it, this lychee and yuzu jelly sparkler brings a breeze of summer freshness to the table. Here’s hoping your glasses fizz and your friends smile as much as mine did.
Recipe Help & FAQs
- → How do I know when the agar has fully set?
After refrigerating for 1–2 hours the mixture should be firm to the touch and slightly springy. If it still jiggles like a liquid, chill longer. Proper simmering for 1–2 minutes helps activate the agar for a clean set.
- → Can I use fresh lychee instead of canned juice?
Yes. Blend and strain fresh lychees to extract juice, then use it in place of canned juice. Adjust sugar to taste depending on fruit sweetness; fresh juice may be less syrupy than canned.
- → What adjustments are needed for firmer or softer cubes?
Increase agar-agar slightly for a firmer gel or reduce it a touch for a softer texture. Small changes (about 0.25 tsp) make a noticeable difference. Always dissolve agar fully and simmer briefly to activate.
- → Any tips for embedding whole lychees in the jelly?
Place halved or whole lychees evenly in the mold before pouring the warm agar mixture. Press gently to keep them submerged and ensure even spacing so the cubes look attractive once cut.
- → How long can the assembled glasses sit before serving?
Once sparkling water is added, serve immediately to retain fizz. Prepared jelly cubes (without sparkling water) can be refrigerated in an airtight container for 3–4 days.
- → Can I add other flavor twists?
Yes — a splash of elderflower cordial complements lychee beautifully, or swap some sparkling water for a floral soda. Thin citrus slices and fresh mint enhance aroma and presentation.
