Cold Brew Boom
Cold brew coffee has experienced a surge in popularity, thanks to the rise of at-home brewing kits and the accessibility of information online. While its presence in the U.S. has grown significantly in the last decade, cold brew is far from a new concept. Kyoto-style coffee, originating in Kyoto, Japan, is one of the earliest forms of cold brew, dating back to the 1600s. Historians speculate that Dutch traders introduced this method to Japan. Unlike traditional cold-brew techniques that fully submerge coffee grounds, Kyoto-style brewing uses a slow drip process, creating an elegant and visually appealing method that takes time and care.
In recent years, cold brew has gained traction in U.S. cafés that previously favored simpler methods like toddy. Factors such as ease of preparation, the artistic appeal of the brewing process, and the ability to highlight unique flavors in single-origin beans have driven this shift. Cold brew’s role in modern coffee culture blends tradition and innovation seamlessly.
Brewing Process: Hot Brew vs. Cold Brew
Hot Brew Coffee
Hot brew coffee starts with coffee beans ground to a medium or fine consistency. Baristas heat water to an ideal range of 195-205°F (90-96°C), which allows the flavors to fully extract. The hot water pours over or mixes with the coffee grounds using methods like drip coffee, French press, or pour-over. As the hot water interacts with the grounds, it extracts caffeine, oils, and acids that create the coffee’s rich and complex flavors.
Cold Brew Coffee
For cold brew, coffee beans are ground coarsely—larger than those used for hot brew—to support slow extraction. The grounds mix with cold or room-temperature water, typically at a ratio of 1 part coffee to 4-8 parts water, depending on the desired strength. The mixture steeps for 12-24 hours, either at room temperature or in the refrigerator.
This slow, heat-free process gently extracts the coffee’s flavors, resulting in a smoother, less acidic cup compared to hot brew. The method emphasizes subtle sweetness and enhances the natural richness of the coffee beans.
Health Benefits: Hot Brew vs. Cold Brew
Both hot and cold brew coffee offer health benefits, as coffee is rich in antioxidants. These compounds help reduce the risk of chronic conditions such as cancer, heart disease, liver disease, and type 2 diabetes. Beverages account for a much larger source of antioxidants in the Western diet than food—79% from beverages compared to 21% from food.
Hot brew coffee contains slightly higher antioxidant levels due to the extraction process. However, cold brew’s low acidity makes it a gentler option for those with sensitive stomachs or conditions like acid reflux. People seeking a smoother coffee experience without sacrificing health benefits often find cold brew an excellent choice.
Taste Comparison: Hot Brew vs. Cold Brew
We conducted a taste test of both hot and cold brew coffee with equal amounts of cream and sugar, as well as straight black, to explore their flavor profiles:
Hot Brew Tasting Notes
- Cream & Sugar: The acidity softens, allowing the sweetness to balance the bold flavors. The result is a rich, full-bodied taste.
- Straight Black: Strong acidity dominates the profile, with a sharp, biting finish. The flavor feels incomplete without additions.
Cold Brew Tasting Notes
- Cream & Sugar: The cacao-like notes enhance with cream and sugar, creating a flavor reminiscent of dark chocolate. The smoothness makes for a luxurious experience.
- Straight Black: Deep, rich flavors shine without any harsh acidity. The natural sweetness and subtle cacao notes create a balanced and refined cup.
Honest Thoughts: The Case for Cold Brew
When comparing hot brew and cold brew coffee, it’s clear that both have unique strengths. Hot brew delivers a versatile and traditional coffee experience, bringing out the full range of flavors through its heat-based extraction process. Its richness can be enjoyed black for a bold, sharp taste or softened with cream and sugar for a more balanced profile.
Cold brew, on the other hand, excels in its smoothness and low acidity. The slow, heat-free brewing process highlights the coffee’s delicate flavors, offering a refreshing and approachable option for a variety of palates. This quality makes cold brew especially appealing for those with sensitive stomachs or a preference for less acidic beverages.
And the Winner Is…
Cold brew stands out for its convenience and versatility. People can easily prepare it at home with minimal equipment, and its refreshing qualities make it perfect for warm weather. The influence of Kyoto-style brewing, combined with modern techniques, has elevated cold brew to an art form, redefining how we experience coffee.
While hot coffee remains a timeless classic, cold brew’s growing popularity reflects a broader shift in coffee culture. Its smooth, balanced flavor and adaptability make it an excellent choice for anyone seeking a new way to enjoy their coffee.
Ready to Try Cold Brew?
At Junospresso, we celebrate the art and craft of coffee. Whether you’re a long-time fan of cold brew or curious to try it for the first time, we invite you to explore its unique flavors and benefits. Visit us today and experience the difference for yourself—your perfect cup is waiting.