cup of espresso tonic
Brewing Coffee

The Ultimate Guide to Perfecting Espresso and Tonic: A Refreshing Coffee Beverage

The popularity of mixing beverages has extended into the realm of coffee, with espresso and tonic leading the way as the summertime favorite. When the heat turns up, this drink has emerged as the go-to refresher, with its unique blend of bitter, sweet, and effervescent flavors. If you’re wondering how to craft the perfect espresso and tonic, this guide is for you.

Why Espresso and Tonic?

The Appeal
At its heart, the allure of espresso and tonic lies in its contrasting flavors. The beautiful bitter undertones of tonic combined with the rich and potent espresso create a symphony of taste, further elevated by hints of acidity and sweetness.

Choosing Your Ingredients
To achieve the best version of this drink, it's essential to select the highest quality ingredients. Opting for specialty coffee, particularly those with a lighter roast profile, can enhance the overall flavor. Darker roasts, commonly found in commercially available options, can sometimes be too bitter, overshadowing the subtle nuances of the drink.

Coffee Selection Tips

Origin Matters
African coffees, with their fruity notes, work exceptionally well for this drink. Ethiopian, Kenyan, and Burundi beans are top contenders, enhancing the beverage's refreshing character. Experimenting with natural coffees can also yield fascinating results, adding a funky twist to your drink. For instance, some cafes have had success with cold brews from specific origins that exude chocolatey or liqueur-like aromas.

The Tonic Dilemma

Bitter and Fizzy
Tonic's inherent bitterness and effervescence can be polarizing. While many of us may not have appreciated tonic in our younger years due to its strong flavors, it serves as an excellent counterbalance to coffee.

Avoiding Overly Sweet Tonics
A common pitfall is using commercial tonics loaded with sugar. To truly enjoy the drink, lean towards craft or artisanal tonics with reduced sugar content and a higher proportion of quinine.

Crafting the Perfect Drink

  1. Temperature is Key
    Start with a chilled glass, ideally with a capacity around 150 milliliters.
  2. The Ice Factor
    Fill your glass with ice to keep the drink as cold as possible.
  3. Mixing Proportions
    Add approximately 100 to 150 milliliters of tonic. Top it up with either cold brew or espresso, depending on your preference.
  4. Espresso Tonic
    Use a double shot of espresso, which equates to around 40 milliliters.
  5. Cold Brew Tonic
    Use 60 milliliters of cold brew concentrate for every 100 milliliters of tonic.


Espresso vs. Cold Brew Tonic
Both have their merits. An espresso tonic offers a more intense and full flavor, while the cold brew version is juicier and emphasizes the tonic's qualities.

Enhance Your Drink

  1. Experiment with Tonics
    There are various artisanal tonics available, each with its unique flavor profile. Some include floral hints like hibiscus, adding color and aroma to the drink.
  2. Think Outside the Box
    Traditional tonics aren't the only mixers you can use. Some have successfully combined coffee with grapefruit soda, which mirrors the bitterness of tonic but offers a different kind of zest.

Serving Tips

  1. Ice is Crucial
    Opt for larger ice cubes that melt slowly, preventing your drink from becoming watery.
  2. Presentation Matters
    Layering your drink can add a visual appeal. Start with ice, followed by tonic, and then slowly top up with coffee.
  3. Glass Selection
    Use a sturdy, thick-walled glass to keep your drink cold. Being transparent, it also allows one to appreciate the drink's layered beauty.

In conclusion, the espresso and tonic is more than just a fad—it's an art form. By understanding its intricacies and experimenting with flavors, you can enjoy this refreshing beverage to its fullest potential. Whether you're a coffee aficionado or a curious newbie, this drink offers a delightful experience worth exploring.

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