Guaro Sour Cocktail Recipe

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Guaro Sour Nutrition Facts





Alcohol %:15

Created by

Nic Polotnianko

I fell in love with the art of mixology 6 years ago. Since then, I've honed my skills, crafting a myriad of cocktail recipes, and sharing my passion with other enthusiasts.

Last Updated: January 7, 2024


The Guaro Sour is a cocktail that hails from Costa Rica, where guaro, a clear liquor distilled from sugar cane, is a national favorite. It's particularly popular among those who enjoy a tangy twist on the classic sour cocktails.

  • Origins:
    • The drink is believed to have been created as a tropical adaptation of the more widely known Whiskey Sour.
    • Guaro, or Cacique Guaro, is the base spirit and is a product unique to Costa Rica.
  • Popularity:
    • It's a go-to drink for tourists and locals alike, often enjoyed during celebrations or as a refreshing sip on a hot day.
  • Cultural Significance:
    • The Guaro Sour has become a symbol of Costa Rican pride and is a testament to the country's ingenuity in creating a distinct national cocktail.

How Guaro Sour Tastes?

The Guaro Sour offers a delightful balance of sweet and sour flavors, with a robust kick from the guaro. It's refreshing, citrus-forward, and has a smooth finish that lingers pleasantly on the palate.

Interesting facts about Guaro Sour

  • National Spirit:
    • Guaro is often referred to as the national spirit of Costa Rica.
  • Low Alcohol Content:
    • Compared to other spirits, guaro has a relatively low alcohol content, typically around 30% ABV.
  • Versatility:
    • While the Guaro Sour is a classic, guaro can be used in a variety of cocktails, making it a versatile addition to any bar.


  • Guaro: 2 oz(60ml)
  • Lime juice: 1 oz(30ml)
  • Simple syrup: 0.5 oz(15ml)
  • Ice cubes: As needed
  • Egg white: 1 oz(30ml)
  • Angostura bitters: A dash

Guaro: 2oz

Used as the base spirit, guaro provides the alcohol kick and distinct flavor character to the cocktail. If you use too little, the drink may taste too weak, while too much can overpower the other ingredients and make the cocktail too strong.

Emma Rose

Lime juice: 1oz

It brings the essential 'sour' element, balancing the potency of the guaro. If skimped on, your cocktail could end up too sweet; too much could turn it mouth-puckeringly tart. Lemon juice could be an alternative, resulting in a slightly brighter sourness.

Alex Green

Simple syrup: 0.5oz

The sugar component of simple syrup counters the acidity of lime juice, contributing to a harmonious balance. Too little may not soften the tartness enough, too much could make it cloying. Honey syrup could be a substitute for a more floral sweetness.

Mary Mitkina

Ice cubes

They chill the drink and add a touch of dilution, making the cocktail smoother. Without ice, your drink might be too concentrated. Crushed ice could provide a quicker chill and more dilution if preferred.

Emma Rose

Egg white: 1oz (optional)

Gives the cocktail a velvety texture and a frothy crown. Omit it, and you’ll lose that silky mouthfeel. Vegan? Aquafaba (chickpea liquid) can be an animal-friendly froth maker.

Alex Green

Angostura bitters: A dash

It offers complex aromatic notes and a hint of spice that add depth. Without it, the Guaro Sour could be almost too simplistic. Other bitters could introduce different aromatics, like orange bitters for a citrusy zing.

Mary Mitkina

Recipe. How to make Guaro Sour Drink

  1. Chill your cocktail glass.
  2. Combine 2oz of guaro, 1oz of lime juice, and 0.5oz of simple syrup in a shaker.
  3. Add ice cubes and shake vigorously.
  4. Optional: For a frothier drink, add 1oz of egg white before shaking.
  5. Strain into the chilled glass.
  6. Garnish with a dash of Angostura bitters.

Pro Tips

  • Shake Well: The key to a great Guaro Sour is a vigorous shake to properly blend the ingredients and create a nice froth if using egg white.
  • Quality Ingredients: Use the freshest lime juice and homemade simple syrup for the best flavor.
  • Chill the Glass: A chilled glass will keep your cocktail cold and refreshing longer.

Perfect Pairings


  • Ceviche: The citrus notes from the lime juice enhance the fresh flavors of seafood.
  • Salted nuts: Perfect for a crunchy contrast, with the saltiness complementing the sweet and sour notes.
  • Fried Yuca: The starchy, crispy yuca will balance the acidity and sweetness of the cocktail.

Main Dishes

  • Grilled Fish: The light, smoky flavor harmonizes with the Guaro Sour's punch.
  • Chicken Skewers: The char on the chicken ties in nicely with the slight bitterness of the Angostura.


  • Lemon Tart: This dessert's tangy flavor profile can stand up to the sourness of the cocktail.
  • Tres Leches Cake: A sweet and milky dessert to tame the sour palate after the drink.

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What you could change in Guaro Sour

  • Guaro Substitute: If you can't find guaro, a light white rum or aguardiente can be a suitable replacement.
  • Lime Juice: Freshly squeezed lime juice is best, but bottled can work in a pinch.
  • Simple Syrup: Honey syrup or agave nectar can provide a different sweetness profile.

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And of course - twists🍹

Spicy Guaro Sour

Ingredients: 2oz Guaro, 1oz Lime juice, 0.5oz Simple syrup, Ice cubes, Egg white (optional), A dash of Angostura bitters, Sliced jalapeños for an extra kick. Shake guaro, lime juice, simple syrup, and a few slices of jalapeños with ice. Strain and serve with a dash of bitters. The subtle heat will intertwine with the sour notes, offering a warming sensation that's perfect for those cooler evenings.

Guaro Sour with a Berry Twist

Ingredients: 2oz Guaro, 1oz Mixed berry puree, 0.5oz Simple syrup, Ice cubes, Egg white (optional), A dash of Angostura bitters. Combine the guaro, mixed berry puree, and simple syrup in a shaker with ice. Adds a fruity and slightly tart dimension to the traditional sour, appealing for a summer soiree.

Tropical Guaro Sour

Ingredients: 2oz Guaro, 1oz Pineapple juice, 0.5oz Coconut syrup, Ice cubes, Egg white (optional), A piece of fresh pineapple for garnish. Mix guaro, pineapple juice, and coconut syrup with ice and shake well. The tropical notes from the pineapple and coconut give an island vibe that will have you dreaming of sandy beaches and palm trees.

In case you forgot basics how to make Guaro Sour

The basic composition of simple syrup is relatively straightforward – a 1:1 ratio of sugar and water. This mixture is heated until the sugar dissolves, resulting in a clear, sweet syrup.

Learn everything about simple syrup

Add your ingredients to the shaker first, then ice. Fill it up to ¾ of its capacity to ensure enough space for shaking. Hold the shaker with both hands (one on the top and one on the bottom) and shake vigorously. The shake should come from your shoulders, not your wrists.

Learn everything on how to shake

Place your chosen strainer on top of the shaker or mixing glass, ensuring a secure fit. Pour the cocktail into a glass through the strainer, which will catch solid ingredients and ice. If double straining, hold the fine mesh strainer between the shaker and the glass.

Learn everything on how to strain

Garnishing a bar drink depends on the type of garnish and the cocktail. Generally, it involves preparing the garnish (like cutting a citrus wheel or picking a sprig of mint), and then adding it to the drink in a visually appealing way (like perching it on the rim or floating it on top).

Learn everything on garnishing

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Frequently Asked Questions on Guaro Sour

How can I achieve the perfect froth for my Guaro Sour?

To achieve the perfect froth, make sure to shake the cocktail vigorously for a longer period, and using a fresh egg white can make a significant difference.

What type of glass is traditionally used for a Guaro Sour?

A Guaro Sour is traditionally served in a classic cocktail glass, which helps to present the drink elegantly and maintain its temperature.

Can I make a non-alcoholic version of the Guaro Sour?

Yes, you can create a mocktail version by substituting the Guaro with a non-alcoholic spirit or simply by increasing the amount of lime juice and simple syrup.

What snacks pair well with the Guaro Sour?

Typically, light and salty snacks like nuts, plantain chips, or ceviche complement the tangy and sweet profile of the Guaro Sour.

How should I store Guaro to preserve its quality?

Guaro should be stored in a cool, dark place away from sunlight. After opening, make sure the bottle is tightly sealed to prevent oxidation.

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