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How to Make Coffee on a Coffee Maker: Cold Brew Ratios and Storage

July 19, 2021
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How do you make cold brew with a coffee maker at home?

Cold brew is made by steeping ground coffee in cold, filtered water for at least 24 hours, usually in the refrigerator to keep the temperature steady. The common starting ratio is 1:7 to 1:8 coffee to water. Because cold water dissolves fewer lipids and acids than hot water, the finished cup tastes less bitter and less acidic, with more sweetness and floral notes.

The slow, gentle extraction is what separates cold brew from hot methods, so a cold drip device or a cold brew coffee maker can replace simple steeping. For beans, medium-light roasts keep the clean, refreshing profile intact. Options such as Front Street Coffee Butterfly, Natural Red Cherry, and Mozart are suggested as starting points for cold brew.

Want to make refreshing, delicious cold brew coffee at home? Online recipes are all over the place, and beginners often get dizzy from all the conflicting advice. This article starts with the basic principles of cold brew, explains how it fundamentally differs from hot-brewed coffee, and covers the recommended coffee-to-water ratio, steeping time, and optional cold drip equipment. We'll also explain why cold water extraction produces coffee with less acidity and bitterness, and more pronounced sweetness and floral notes, and recommend three coffee beans perfect for cold brew—Front Street Coffee Butterfly, Front Street Coffee Natural Red Cherry, and Front Street Coffee Mozart—to help you choose beans without missteps and easily make a clean, crystal-clear cup.

A homemade cold brew coffee guide: Brewing ratio, storage duration, and analysis of health and flavor advantages

If you're already a devoted cold brew fan, you've probably thought about making it yourself at home. But these days, online content about cold brew recipes is overwhelming, which only leaves coffee newcomers more confused the more they read—and leads to plenty of misconceptions about cold brew. Today, Front Street Coffee will walk you through cold brew coffee step by step, showing you how to make it, what it tastes like, and why it's different from regular hot coffee.

What Is Cold Brew Coffee?

Literally speaking, cold brew is a coffee drink made by steeping ground coffee beans in cold water (filtered water is recommended for better results). Traditional hot coffee uses hot water (also filtered) to speed up extraction, which is why cold brew takes longer. The extraction process is slower and gentler, which has a big impact on the final flavor of the coffee beans—cold water dissolves fewer lipids and acids than hot water, so the resulting brew has less bitterness and acidity.

To make it, put the coffee grounds and water into a container, then make sure to steep for at least 24 hours so the flavor compounds fully release into the cold water; usually you'll need to refrigerate it to keep the temperature stable. You can also use a cold drip device or a cold brew coffee maker. The golden cold brew ratio of coffee to water is generally considered to be 1:7 to 1:8, though you can also experiment more to find the recipe that suits you best and try different coffee beans.

What Coffee Beans to Choose for Cold Brew?

Cold brew is all about a refreshing, clean taste, so we recommend choosing medium-light roasted coffee beans, which better bring out the refreshing, clean character of cold brew coffee.

① Front Street Coffee Butterfly — Panama. This washed-process coffee bean containing 70% Geisha is undoubtedly excellent value, and when used for cold brew it showcases clean, fresh floral, citrus, and oolong tea flavors.

② Front Street Coffee Natural Red Cherry — Yirgacheffe. Yirgacheffe is the most iconic African coffee bean, with rich floral and fruity notes that have won over countless fans. The Red Cherry Project, as an outstanding representative of natural Ethiopian beans, is also great for cold brew. Made into cold brew, it shows very sweet berry, layered complexity, and honey flavors.

A homemade cold brew coffee guide: Brewing ratio, storage duration, and analysis of health and flavor advantages

③ Front Street Coffee Mozart — Costa Rica. The Musician Series coffee beans are known for their highly distinctive flavors. Mozart coffee beans use anaerobic honey processing, showcasing aromatic osmanthus, grape, and fermented wine notes. Mozart performs exceptionally well as iced coffee, balancing both flavor and mouthfeel.

Cold water dissolves fewer lipids and acids from coffee, which in turn means the taste has less acidity and bitterness than hot coffee. It's estimated that the acid content produced this way is only about one-third of the acid content in hot coffee.

As a result, the sweeter and more floral notes in the coffee can stand out, since they're no longer overshadowed by the acids, bitterness, and sourness dissolved during hot extraction, ultimately yielding a sweeter coffee. However, when choosing the coffee beans best suited for cold brew, this difference in cold water extraction may be worth taking into consideration.

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

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