Learning

How to Make Cold Brew Coffee

NextCup Brew Guide

Cold Brew

Time Is the Only Heat Source

Slow. Smooth. Worth the wait.

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Cold brew replaces heat with time. Coarsely ground coffee steeps in cold water for 12–24 hours, producing a concentrate that is lower in acidity, smoother in body, and naturally sweet. It is the method best suited to our Cold Brew Blend — a purpose-built combination of Brazil, Costa Rica, and Ethiopia. Make a batch on Sunday. Drink it all week.

Ratio1g : 6g water (concentrate)
GrindExtra Coarse
Water TempCold / Room Temp
Total Time12–24 hours

What You Need

  • Large mason jar or cold brew pitcher
  • Burr grinder
  • Digital scale
  • Fine mesh strainer or cheesecloth
  • Storage jar

Step by Step

01

Grind Extra Coarse

Weigh 100g of coffee and grind very coarse — like raw sugar crystals. Too fine and straining becomes impossible and the long steep over-extracts into bitterness.

02

Combine Coffee and Water

Add coffee to your container. Pour 600g cold filtered water over it. Stir gently but thoroughly for 30 seconds — dry pockets under-extract.

03

Steep

Cover and steep at room temperature for 8–24 hours, or in the refrigerator for a brighter cup. We recommend 14 hours as the sweet spot.

04

Stir Before Straining

Give the brew one final gentle stir before straining to ensure even incorporation.

05

Strain

Pour through a fine mesh strainer lined with cheesecloth. For maximum clarity, strain twice. Do not press or squeeze the grounds.

06

Refrigerate Immediately

Transfer to a sealed glass jar and refrigerate. Keeps up to 2 weeks. Always refrigerate — cold brew is not shelf stable.

07

Serve and Dilute

Serve over ice. Dilute 1:1 with cold water, milk, or oat milk if using as concentrate. Taste first — it should be smooth, rich, and naturally sweet.

Pro Tips

  • Extra-coarse grind is non-negotiable — it makes straining possible and prevents over-extraction.
  • Our Cold Brew Blend is purpose-built for this method.
  • Room temperature steeping extracts faster — lean toward 12 hours at room temp.
  • Cold brew concentrate is roughly 2× stronger than regular coffee. Always dilute.

The right coffee makes every method taste better.

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