Mojito Popsicle Recipe with Fresh Mint and Lime

Mojito popsicles turn the bright mint, lime, and sugar flavors of the Cuban cocktail into a cool, tangy frozen treat. A small measure of rum adds classic mojito character, while a simple mint-infused syrup keeps the flavor balanced and easy to pour into molds.

Ingredients

1½ cups (360 ml) water
½ cup (100 g) granulated sugar
1 packed cup (about 20 g) fresh mint leaves, plus 8 small sprigs if desired for garnish
½ cup (120 ml) freshly squeezed lime juice, from about 4 to 5 medium limes
1 teaspoon (2 g) finely grated lime zest
¼ cup (60 ml) white rum
⅛ teaspoon (0.75 g) fine salt

Instructions

Make the mint syrup. Add the water and sugar to a small saucepan. Set it over medium heat and stir for about 5 minutes, until the sugar has dissolved and the liquid is steaming. It does not need to reach a rolling boil. Take the pan off the heat.
Infuse the mint. Lightly press the mint leaves with the back of a spoon or a muddler to bruise them; avoid grinding them into a paste, which can make the syrup grassy. Stir the leaves into the hot syrup and let them steep for 10 minutes. Strain through a fine-mesh sieve into a heatproof measuring jug, pressing the leaves gently to extract their liquid, then discard the leaves. Let the syrup cool for 25 minutes.
Mix the popsicle base. When the syrup is cool, stir in the lime juice, lime zest, rum, and salt. Taste a small spoonful. The mixture should taste a little more tart and sweet than you want the finished popsicles to taste, since cold dulls flavor slightly. If your limes are especially sharp, add 1 tablespoon (12 g) more sugar and stir until dissolved.
Fill the molds. Divide the mixture among 8 popsicle molds, leaving about ¼ inch (6 mm) of space at the top because liquid expands as it freezes. If you like, slide a small mint sprig into each mold. Place the sticks according to your mold’s instructions. If using a mold without a stick holder, freeze for 45 to 60 minutes until the mixture is slushy enough to support the sticks, then insert them.
Freeze until firm. Freeze the popsicles for at least 8 hours, or until solid all the way through. To release them, run the outside of each mold under cool-to-lukewarm water for 10 to 20 seconds, then pull gently. Do not tug hard on the sticks; warm the mold for a few more seconds if a pop resists.

Tips

Measure lime juice after squeezing. Limes vary in size and juiciness, so the stated ½ cup (120 ml) matters more than the number of fruit. Strain out seeds and large pulp pieces for popsicles that unmold cleanly. A little fine pulp is fine if you enjoy a more rustic texture.
Keep the mint fresh-tasting. Bruise the leaves only lightly and steep for the full 10 minutes, then strain them out. Leaving mint in the syrup for a long time or crushing it aggressively can bring out bitter, vegetal notes. For a stronger mint flavor, use a few extra leaves rather than steeping much longer.
Adjust for a firmer freeze. Alcohol makes frozen mixtures softer. This recipe uses a restrained amount of rum for flavor, but freezer strength and mold size can affect the set. For firmer pops, reduce the rum to 2 tablespoons (30 ml) and add 2 tablespoons (30 ml) water; the pops will have a milder rum note.
Prevent stuck or broken pops. Leave headspace at the top and loosen the mold with lukewarm water rather than hot water. If the pops are hard to remove, warm the mold briefly and try again. Avoid twisting the stick sharply, since that can separate it from the frozen pop.

Serving Suggestions

Serve these popsicles straight from the freezer on a warm afternoon or as a playful finish to a summer meal. Their lime-and-mint flavor pairs especially well with grilled vegetables, fish tacos, citrusy salads, and lightly spiced dishes. For a simple presentation, set each pop on a chilled plate with a thin lime wheel or a fresh mint leaf beside it. Serve promptly after unmolding; they soften quickly in warm weather.

These are alcoholic popsicles, so they are for adults of legal drinking age only; enjoy responsibly. For a gathering, label the tray clearly and keep it separate from nonalcoholic ice pops so guests can tell which is which. If you are serving children or anyone avoiding alcohol, make a separate batch using the alcohol-free variation below rather than assuming the rum cooks or freezes away.

Variations

Alcohol-free mojito pops: Leave out the rum and replace it with ¼ cup (60 ml) cold water or sparkling water. The pops freeze more firmly and have a cleaner lime-and-mint profile. If using sparkling water, stir it in gently just before filling the molds to preserve some of its lift; most carbonation will disappear during freezing, but it adds a light, fresh impression to the mixture.

Berry mojito pops: Add ½ cup (75 g) finely diced strawberries or raspberries to the mixed base, or blend the berries with the lime mixture before filling. Berry seeds and fruit pieces make the texture less smooth, so strain the puree if you prefer a clean bite. Taste before freezing, since ripe berries may make the mixture sweet enough that you can reduce the added sugar slightly.

Coconut-lime version: Replace ½ cup (120 ml) of the water with ½ cup (120 ml) unsweetened coconut milk. The pops will be creamier and less like a clear, classic mojito, with a gentle coconut flavor. Shake or whisk the coconut milk well before measuring so the thicker cream and liquid are evenly combined.

Extra-citrusy pops: Add another ½ teaspoon (1 g) lime zest, or replace up to 2 tablespoons (30 ml) of the lime juice with lemon juice for a rounder citrus flavor. Avoid adding a large amount of extra juice without tasting; too much acid can overwhelm the mint and make the finished pop sharply tart.

Storage and Reheating

Once frozen, keep the popsicles in their molds or unmold them and wrap each one tightly in parchment or plastic wrap before placing them in a freezer-safe airtight container. They are best within 3 to 4 weeks, when the mint and lime flavors are brightest, though they remain frozen longer if kept consistently cold. Store them toward the back of the freezer, where the temperature changes less often, and keep them away from uncovered foods that could transfer odors.

There is no reheating step for popsicles. If you need to make them ahead, leave them in the freezer until just before serving. Do not leave a tray at room temperature while preparing other food; return any unserved pops to the freezer promptly, and discard pops that have melted and sat out for more than 2 hours. If the mint syrup is made ahead instead of used right away, refrigerate it within 2 hours and use it within 3 to 4 days. Do not freeze the warm syrup in the molds; cool it first, then mix and freeze as directed.

Frequently Asked Questions

Can I make mojito popsicles without rum?
Yes. Replace the rum with an equal amount of cold water for the simplest alcohol-free version. Sparkling water is another option, though much of its fizz will fade as the pops freeze. The alcohol-free batch will set more firmly and may be ready a little sooner, but check that the centers are solid before unmolding.

Why are my mojito popsicles still soft?
Rum lowers the freezing point, so these pops can be softer than fruit-juice-only ice pops. Give them a full 8 hours, or freeze overnight if your freezer runs warm or the molds are large. For a firmer texture next time, use 2 tablespoons (30 ml) of rum and replace the omitted amount with water.

Can I use bottled lime juice?
Fresh lime juice gives the cleanest, most fragrant flavor, but bottled juice can work in a pinch. Choose plain lime juice rather than a sweetened lime cordial, which would change the balance and may make the mixture too sweet. Begin with the same ½ cup (120 ml), then taste the cooled base and adjust carefully.

Do I need to boil the mint syrup?
No. Heat the water and sugar only until the sugar dissolves, then remove the pan from the heat before adding the mint. A hard boil is unnecessary and can concentrate the syrup through evaporation. Steeping the bruised leaves in the hot, off-heat syrup gives the mixture a clear mint flavor without requiring a long simmer.

Can I make these in cups if I do not have popsicle molds?
Yes. Divide the mixture among small paper cups or freezer-safe cups, leaving room at the top for expansion. Freeze until slushy, usually 45 to 60 minutes, insert wooden sticks, and freeze until solid. To serve, peel away paper cups or briefly warm the outside of reusable cups with lukewarm water.

How do I stop the mint from turning brown?
Use fresh, bright-green leaves and avoid blending them into the liquid, since cutting and exposure to air can darken the leaves and make the flavor more bitter. Strain the infused leaves out before freezing. Any mint sprig used as a garnish may darken slightly in the freezer; it is optional and does not affect the flavor of the popsicle base.

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