Refresco Mojito Recipe: A Bright Mint-Lime Cooler

This refresco-style mojito is a Cuban-inspired cocktail made with fresh mint, lime juice, sugar, white rum, and sparkling water, served cold over plenty of ice. Its sweet-tart balance and lively bubbles make it refreshing without hiding the mint or rum; this version is mixed as a small pitcher for four. This alcoholic drink is for adults of legal drinking age; drink responsibly.

Ingredients

1/2 cup (120 ml) fresh lime juice, from about 4 to 5 juicy limes. Fresh juice gives the drink a cleaner, brighter flavor than bottled juice.
4 tablespoons (50 g) granulated sugar. Regular white sugar dissolves well when stirred with the lime juice. superfine sugar is also suitable.
1 cup (about 20 g) fresh mint leaves, loosely packed, plus a few small sprigs for garnish. Spearmint is a classic choice; avoid bruised or wilted leaves.
1 cup (240 ml) white rum. A light, clean-tasting rum lets the mint and lime stay prominent.
3 cups (720 ml) chilled soda water, also called club soda. Use plain sparkling water if you prefer less mineral flavor.
4 cups (about 560 g) ice, preferably cubes, for serving.
1 lime (about 70 g), thinly sliced into rounds for garnish, optional.

Instructions

Make the lime-sugar base. Pour the lime juice into a large pitcher and add the sugar. Stir for about 1 minute, scraping the bottom, until most of the sugar has dissolved. If a little sugar remains, keep stirring briefly rather than adding extra juice; a small amount of undissolved sugar can settle and make the first glasses sweeter than the last.
Prepare the mint gently. Add the mint leaves to the pitcher. Use a muddler or the back of a wooden spoon to press them against the bottom about 6 to 8 times. The aim is to bruise the leaves and release their aroma, not grind them into a paste. Over-muddled mint can taste grassy or bitter and leaves small pieces that are unpleasant to sip.
Add the rum. Pour in the white rum and stir until it is evenly mixed with the lime and mint. Taste a small spoonful of the base before adding ice or soda. It should be noticeably tart and sweet, because the ice will dilute it and the soda water will soften its intensity.
Finish with bubbles. Just before serving, add the chilled soda water and stir gently once or twice. A vigorous stir drives off carbonation. If you want a tidier pitcher, strain the mixture through a fine-mesh sieve into a second pitcher to remove the mint; this is optional, since many people enjoy seeing the leaves in the drink.
Pour and garnish. Fill four tall glasses with ice, divide the mojito mixture among them, and add a lime round and a mint sprig to each glass if desired. Give each drink one gentle stir from the bottom so the lime and sugar are distributed. Serve right away while the soda is fizzy and the ice is still firm.

Tips

Choose fresh, fragrant mint. Mint leaves should smell bright when lightly rubbed and should not be slimy or blackened. Remove thick stems before measuring; tender stems can be included, but woody stems may contribute a harsh flavor. Rinse the leaves and pat them dry so extra water does not thin the pitcher.
Adjust sweetness after measuring the lime. Limes vary in size and tartness. Start with the listed 4 tablespoons of sugar, then dissolve an extra teaspoon or two in a little warm water if the finished drink is sharper than you like. Avoid pouring dry sugar into an already cold, fizzy pitcher, where it may remain gritty.
Keep the soda cold and add it last. Chilling the soda water beforehand helps preserve the bubbles and slows ice melt. Do not shake the pitcher or stir hard after adding it. For a party, mix the lime, sugar, mint, and rum in advance, then top up with soda water just before pouring.
Use a light touch with the muddler. Pressing the mint rather than shredding it gives the drink a clean herbal aroma. If you do not have a muddler, use a wooden spoon with a rounded handle. Do not use a sharp utensil that cuts the leaves or risks damaging the pitcher.

Serving Suggestions

Serve the mojito in tall, narrow glasses so the ice stays compact and the bubbles last longer. A highball glass is convenient, but any sturdy glass that holds roughly 10 to 12 ounces works. Add fresh ice to each glass rather than pouring the pitcher over ice that has already begun melting. A lime wheel and a mint sprig are enough garnish; clap the mint sprig lightly between your palms before adding it to release its aroma without crushing it.

This drink pairs well with salty, savory foods that can stand up to its citrus and mint. Offer it with grilled vegetables, corn, shrimp, tacos, or a platter of olives and crisp snacks. For a gathering, set out extra lime rounds, mint sprigs, and a bowl of ice so guests can adjust their glasses. Keep the pitcher on the table only while serving, then return it to the refrigerator if there is any left. Since it contains rum, label the pitcher clearly if you are also serving a nonalcoholic drink.

Variations

Make a no-alcohol refresco. Leave out the rum and replace it with 1 cup (240 ml) cold water or additional soda water. Start with 2 tablespoons (25 g) sugar, taste the lime-mint base, and add more if needed. The finished drink will be lighter and less warming than the rum version, so serve it very cold over fresh ice. For a little more body, use a splash of chilled white grape juice, keeping in mind that it will make the drink sweeter.

Try a fruit version. Gently muddle 1 cup (about 150 g) of chopped strawberries or ripe pineapple with the mint before adding the rum. Taste before adding the soda, since fruit varies in sweetness; reduce the sugar to 2 or 3 tablespoons (25 to 38 g) if the fruit is very ripe. A few raspberries also work, though they make the drink cloudy and leave seeds. Keep the fruit pieces large enough to press lightly rather than pulverizing them.

Use brown sugar or syrup. Light brown sugar adds a soft molasses note and a warmer color, while simple syrup dissolves quickly in cold lime juice. To substitute syrup, use 1/4 cup (60 ml) simple syrup in place of the 4 tablespoons of granulated sugar, then taste and adjust. Syrup strength varies, so avoid assuming that every homemade or purchased syrup has the same sweetness.

Make one glass at a time. For a single serving, use 2 tablespoons (30 ml) lime juice, 1 tablespoon (about 12 g) sugar, about 1/4 cup (5 g) mint leaves, 1/4 cup (60 ml) white rum, and 3/4 cup (180 ml) soda water. Gently bruise the mint with the lime and sugar in the glass, stir in the rum, fill with ice, and top with soda. This method is handy when guests want different sweetness levels or when you want to keep carbonation fresh.

Storage and Reheating

A mojito is best made and served immediately because the soda loses its fizz and ice gradually dilutes the drink. If you need to work ahead, mix the lime juice, sugar, mint, and rum, cover the pitcher, and refrigerate it for up to 4 hours. Add the soda water and ice only when you are ready to serve. Longer contact with the mint can make its flavor strong or slightly bitter, so strain the mint out if the base must sit longer than a short gathering.

Refrigerate leftovers within 2 hours of mixing, in a covered container, and use them within 24 hours for the best flavor. The drink will be flatter after storage, and any ice in it will dilute it further; strain out the ice before refrigerating if possible. Add fresh soda water and fresh ice to revive the texture when serving again. There is no reheating step for this cold drink, and freezing the mixed pitcher is not recommended because the soda goes flat and the thawed texture is watery.

Frequently Asked Questions

Can I make a refresco mojito ahead of time?
Yes. Stir together the lime juice, sugar, mint, and rum up to 4 hours ahead and keep the covered pitcher cold. Add chilled soda water just before serving so it stays bubbly, and add ice to the glasses rather than the pitcher. If you prepare the base farther ahead, strain out the mint to keep its flavor from becoming overpowering.

What can I use if I do not have a muddler?
A wooden spoon with a rounded handle works well. Press the leaves against the bottom of the pitcher a few times, then stop as soon as they smell minty. The goal is to bruise the leaves, not to chop or mash them. A sturdy glass and the blunt end of a spoon can work for a single serving.

Can I use bottled lime juice?
You can, but fresh lime juice usually tastes brighter and less one-dimensional. If bottled juice is what you have, begin with the same 1/2 cup (120 ml), then taste the base before pouring in the soda. Some bottled juices are more sharply acidic or have added ingredients, so adjust the sugar a little at a time rather than changing the entire recipe at once.

What is the best mint for mojitos?
Spearmint is a reliable choice because it has a fresh, rounded aroma. Peppermint can be more intense and cooling, so use a little less at first if that is the mint available. Avoid dried mint: it does not release the same fresh aroma and can leave a dusty texture. If the mint is strong, muddle fewer leaves and taste before adding more.

How do I make the drink less sweet or more tart?
For a less sweet drink, reduce the sugar to 2 or 3 tablespoons (25 to 38 g), or add a little more lime juice. For a softer, sweeter profile, add sugar gradually after tasting the base. Make adjustments before adding the soda water, because sugar dissolves more easily in the lime mixture and vigorous stirring would flatten the finished drink.

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