Cold brew coffee (Cold Brew Coffee), also known as cold steep coffee, ice brew coffee, or cold drip coffee, is made by steeping ground coffee directly in room-temperature water for 12 hours or more, then filtering the liquid. Some methods use an ice-water mixture and extend the steep time to as long as 48 hours. Because no high heat is involved, the tannins that normally give coffee its astringency barely dissolve, and acidity is lower, resulting in a smoother, mellower mouthfeel.

Cold brew coffee (Cold Brew Coffee), also called ice brew or cold steep coffee, differs from regular hot-water brewing. Ground coffee is placed in drinking water like a cold-steep tea bag and refrigerated for 8 to 12 hours or longer, using low-temperature, long-duration steeping to extract the coffee. This method greatly reduces bitterness and sour astringency, yielding a sweeter, smoother cup. However, despite the smooth taste, the extended extraction means cold brew typically has a higher caffeine concentration than regular brewed coffee.

Steep time determines the flavor of cold brew, so you can adjust strength and taste to your liking. Only cold or room-temperature water is needed for a foolproof brew—no technique required.

• Caffeine content: The main factors affecting caffeine content are extraction time, grind size, and temperature. Because many variables influence caffeine levels, no single rule applies.
• Coffee-to-water ratio: A 1:18 ratio is recommended for cold brew (e.g., an 11 g cold brew bag with 200 ml water for optimal flavor). Adjust water volume to suit personal taste.

#How to Make a Cup of Cold Brew Coffee

Steps

• Grind the beans: Grind coffee beans to a medium-fine consistency.
• Place in filter bag: Put the ground coffee into a filter bag.
• Prepare a suitable bottle: Place the filter bag into an empty bottle.
• Add water: Slowly pour in cold water until the filter bag is fully submerged.
• Steep: Refrigerate and let the coffee and water meld slowly.
• Remove: Take the filter bag out of the bottle—the coffee is ready to drink.

Cold Brew Secrets

• The finer the grind, the more coffee compounds are released, creating different flavor nuances.
• If making a latte with milk, adjust the coffee-to-water ratio to 1:7.
• Longer steep times yield richer flavor layers; 12 to 24 hours is recommended to find your favorite profile.
• Add dried pineapple or lemonade ice cubes to cold brew for a bright, fruity sweet-and-sour twist.
• Mix cold brew with sparkling water or a soda like Sprite to add texture and complexity.

#Differences Between Cold Brew, Ice Drip, and Iced Coffee

Iced coffee is a broad term: any coffee served cold qualifies, so both cold brew and ice drip coffee can be called iced coffee.

What most people mean by iced coffee is typically hot-brewed Americano poured over ice.

Ice drip coffee (Ice Drip Coffee) lets water chilled below 5 °C slowly melt and drip through the coffee grounds to complete extraction. The process is time-consuming—usually 2 to 8 hours—so it commands a higher price. Like cold brew, ice drip reduces bitterness and astringency while producing a high caffeine concentration. Many enthusiasts feel ice drip preserves more delicate coffee aromas than cold brew, but it requires dedicated ice-drip equipment.

#Cold Brew Equipment & Bean Recommendations

As cold brew grows in popularity, the market now offers dedicated cold brew pitchers, and many coffee machines include a cold brew function. There are also pre-filled cold brew filter bags and beans roasted specifically for cold brew, making it easier than ever to brew and enjoy.

• Cold brew pitcher: Traditional cold brew methods can be cumbersome—pre-filling filter bags or filtering through paper afterward adds steps and ongoing consumable costs. A cold brew pitcher solves this with a high-density stainless-steel mesh filter that’s reusable, dramatically improving convenience. Highly recommended for cold brew lovers!
• Cold brew convenience packs: These eliminate grinding and bag-filling steps. Just drop a pack into a pitcher, add drinking water, refrigerate, and enjoy rich cold brew 12 hours later!
• Cold brew beans: Medium roast is the most commonly recommended roast level for cold brew. The process enhances citrus and fruit notes while taming the pronounced acidity of lighter roasts, making medium-roast fruity beans a popular choice for cold brew.