
How to Make Smooth Cold Brew Coffee
Create a rich, low-acid coffee concentrate at home using a simple immersion method. This process relies on time rather than heat to extract deep, chocolatey flavors from your favorite beans.

Measure and grind the coffee beans
5 minutesMeasure 1 cup of whole coffee beans and grind them to a coarse, sea-salt consistency.
Using a coarse grind is critical to avoid over-extraction and bitterness. A burr grinder provides the uniform particle size necessary for a clean, non-sludgy cold brew.
Aim for a 1:5 ratio of coffee to water by weight for a strong concentrate.

Combine grounds and water
2 minutesPlace the coarse coffee grounds into your glass pitcher and add 4 cups of filtered, room-temperature water.
Filtered water is recommended to ensure the purity of the coffee flavor. Pour the water slowly over the grounds to ensure they are all fully saturated.
Add the water first, then the grounds to prevent dry pockets at the bottom of the container.

Stir the mixture
1 minuteGently stir the grounds and water together with a long spoon until all grounds are submerged.
Ensuring all grounds are wet prevents uneven extraction. Do not over-agitate; a few gentle turns are sufficient.

Steep the coffee
12-24 hoursCover the container and let it sit at room temperature for 12 to 24 hours.
The length of the steep determines the strength. 12 hours produces a lighter body, while 24 hours results in a bold, intense concentrate.
Place the container in a cool, dark spot away from direct sunlight.

Filter the concentrate
5 minutesPour the coffee through a fine mesh sieve, then follow with a second pass through a paper filter or cheesecloth.
The double-filtration process removes fine silt that can make the coffee taste chalky. This creates the signature smooth finish of cold brew.
Do not squeeze the grounds in the filter, as this releases bitter compounds.
Pro Tips
- ●Always use fresh, high-quality beans for the best flavor profile.
- ●Store your finished concentrate in an airtight glass container in the refrigerator for up to two weeks.
- ●Dilute your concentrate with water or milk at a 1:1 ratio before serving.
- ●Freeze leftover concentrate in ice cube trays to prevent watering down your drink as the ice melts.