Can blended coffee beans be used for cold brew?

Yes, blended coffee beans work well for cold brew. Blending means mixing two or more coffees, and low-temperature steeping for a long period draws out more flavor compounds, giving a fuller body and higher concentration than hot coffee. The trade-off is that floral notes fade with storage, so fresh batches show fruit acidity while older ones turn winey.

For cafes, blending offers a flavor-stable recipe, a more compatible taste, and lower cost, and it suits pour-over, siphon and cold drip as well as espresso. The article recreates several recipes, including Sidra with Geisha, Bahia with Red Cherry, Huakui with Strawberry Candy, and a dark-roasted blend, some layered and some unsuccessful, to show what blended cold brew can do.

On a hot summer day, a refreshing glass of cold brew is the go-to thirst-quencher for many coffee lovers. But have you ever considered that a blend of two or more coffees can also make an outstanding cold brew? Cold brew, extracted at low temperature over a long period, has a fuller body, yet its floral and fruity notes gradually fade with storage time. Drawing on Front Street Coffee's hands-on experience, this article first outlines the characteristics of cold brew and the advantages of blended beans, then recreates several blending experiments one by one: from Sidra with Geisha, Bahia with Red Cherry, to Huakui paired with Strawberry Candy and Wangshan Geisha, and finally the challenge of dark-roasted Queen's Estate blended with Floral God. Some of these recipes are richly layered, while others flop into a "pain mask," yet they perfectly showcase the fun and possibilities of blended cold brew.

In the heat of summer, a glass of iced coffee both cools you down and perks you up. Have any of you ever tried blending two or more beans together and then making cold brew out of them?

Today, Front Street is here to open a new door to cold brew beans and show you what tricks blended beans can play in cold brew.

Characteristics of Cold Brew Coffee

The most fundamental difference between cold brew and regular hot coffee lies in its long steeping extraction with low-temperature water. Because of this, more flavor compounds are drawn out by the water, resulting in a higher concentration and a thicker mouthfeel. However, small-molecule compounds like floral notes gradually diminish as storage time lengthens—which explains why freshly filtered cold brew has pronounced floral and fruity acidity, but after two or three days, only fermented winey notes remain in the cup.

Why Use "Blended" Coffee Beans?

Compared with single-origin coffee, "blending" refers to mixing "two or more" types of coffee beans.

The popularity of specialty single origins often makes people forget the value of blending. From a café's production standpoint, choosing "blended" beans has three advantages: first, it allows for a flavor-stable recipe; second, it achieves a more compatible coffee taste; third, it lowers costs.

"Blended" beans are indeed more common in espresso, but they are by no means limited to it—pour-over, siphon, cold drip, and various other methods can all use them.

If we set aside commercial production and simply make a refreshing drink at home for ourselves, then the goal of using "blended" beans for cold brew is just one: to taste good. In other words, it's about leveraging the characteristics of different beans, amplifying and stacking their strengths, to ultimately get a cup of cold brew with richer layers and better overall harmony.

To create a blend recipe, the prerequisite is having tasted coffee from enough origins and having a deep understanding of flavors, so that a delicious combination can be blended. Below, Front Street shares some of its own thought process for DIY blended cold brew beans, for your reference.

The anaerobically natural Sidra has a strong berry character and, after cold brewing, also brings out a faint fermented winey note; the washed Morito Geisha has jasmine floral notes with a touch of tea-like quality. Combined, the floral and fruity acidity becomes fuller and the layers more distinct. The problem is that the Sidra proportion is too high—only right after extraction can the Morito's floral notes be caught; for the most part, it's the Sidra's intense berry flavor.

The raisin-process Bahia naturally carries dark berry notes, and after cold brewing has a strong fermented winey aroma accompanied by a smooth cocoa mouthfeel. Adding 50% washed Red Cherry neutralizes the excessive fermentation, while bringing a soft citrus acidity that makes the coffee more refreshing and easy to drink—the overall flavor is just right.

Having learned from the first experiment, Front Street deliberately lowered the proportion of specially processed beans this time, hoping to gain more floral and fruity notes on top of the rich fermented winey aroma. Unfortunately, the result was not ideal. The cold brew liquid had a strong brandy aroma, but the floral and fruity acidity was not prominent enough. The coffee itself was still tasty, but it didn't achieve the 1+1>2 effect.

This set of experiments is rather special. The Strawberry Candy cold-brewed on its own already carries the aroma of strawberry gummies; after adding natural Huakui at a 1:1 ratio, beneath the strawberry flavor there is an added green-tea-like sweetness, along with a touch of dark floral acidity—it drinks like strawberry flower tea, with a long winey finish.

The Wangshan Geisha cold-brewed on its own has a light jasmine floral flavor, entering the mouth like pineapple juice, but the body is on the thin side and the sweetness is insufficient. After adding natural Huakui, this coffee gained an extra green-tea-like sweetness; the overall flavor shifted from pineapple to dark fruit notes like grape and berry, and also brought a slight fermented winey aroma, with a long finish.

After trying several medium-light roast beans, Front Street began to wonder: must we use medium-light roasts? Can dark-roasted beans blend into a tasty cold brew? So Front Street used dark-roasted Brazil Queen's Estate as the base, supplemented with medium-light roasted Floral God, and conducted the following experiment:

Experiment Six: 40% Floral God (medium roast, washed) + 60% Queen's Estate (dark roast, natural)

The Brazil Queen's Estate bean is on the darker side of roasting, with flavors leaning toward the bitter notes of nuts, cocoa, and dark chocolate.

To temper the excessive bitterness under cold brew, Front Street chose to add medium-light roasted washed Floral God, hoping to gain some variation in floral and fruity acidity on top of the nutty dark chocolate base.

But what we ultimately got was just a pungent peanut-skin flavor that hits you right in the head, with a tiny hint of dark chocolate and nutty notes, giving several Front Street Coffee baristas a pain mask 🤡.

The above is just Front Street Coffee baristas, based on their daily experience making cold brew coffee, attempting to "blend" more distinctive cold brew recipes. Some turned out unexpectedly delicious, while others gave the baristas a pain mask, but this is precisely one of the charms of "blended" coffee beans. We hope you can also blend your own unique recipe.

Front Street Coffee

No. 10, Bao'an Front Street, Yandun Road, Dongshankou, Yuexiu District, Guangzhou, Guangdong Province

The above content is compiled by CoffeeHunters, a coffee news website.