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  • Writer's pictureRock Rousseau

HOW TO Make a Cold Brew Coffee Maker

This simple brewing system will enable you to enjoy delicious, barista-style cold brew coffee in the convenience of your own home. I'll explain how you can brew that perfect smooth, low acidity coffee that you're craving. It's as simple as adding coffee grounds and water to this kit and letting it sit in your fridge for 12 hours. Every day you wake up to a fresh batch of cold brew coffee with plenty to share.

Cold Brew Coffee or sometimes referred to as Cold Press Coffee is not to be confused with iced coffee and blended drinks. We’re not just adding ice to coffee. Cold Brew Coffee requires a different extraction method. You are using cold filtered water, coarsely ground coffee and a much longer steep time to prepare Cold Brew. It’s actually incredibly simple. Each batch will last in your fridge up to 1 week. The reCAP pour spout makes pouring each morning a breeze.


  • 2 quart (64 oz.) Mason Jar

  • Stainless Steel Filter (KLEIN coffee filter 64oz)

  • Coursely ground coffee grinds

  • 56 oz cold purified water

  • Pour Spout Lid for 64 oz jar (reCAP Pour Spout Lid for Mason Jars)

Check out our post for brewing various flavors and styles of Cold Brew Coffee - coming soon!

How to make Cold Brew Coffee:

1. Place the filter inside the mouth of the Mason jar.

2. Add course coffee grinds of your preference inside the filter. Course grinds make the filtration process easier and your coffee will will be far less bitter tasting. Grinding too fine can heat up the grounds, which can negatively affect the coffee grinds.

3. Slowly pour cold fresh purified water into the filter. Using cold water as opposed to hot makes the extraction process much slower and actually more selective. The coffee grinds will begin to saturate and the grinds will steep in the water.

4. Once the jar is filled, attach the spout lid on your Mason jar.

5. Place the jar in the refrigerator and chill for twelve hours, leaving filter and coffee grinds inside jar.

6. When ready, remove filter with coffee grinds. Stir coffee as most of the concentration will be towards the bottom of the jar. This will ensure consistency for equal strength and flavor for every cup.

7. Pour coffee into cup. Add cream, sugar, flavor as needed. See Cold Brew Coffee recipes for more ideas!


Cold Brew Coffee requires more coffee grinds than conventional hot brewing methods, which will produce more caffeine.

Cold brew coffee is less acidic and naturally seems sweeter because of its lower acid level. Using cold water as opposed to hot makes the extraction process much slower and actually more selective. The flavor of the coffee is extracted, but bitter compounds are left behind. This can also explain why Cold Brew contains less acid than when you use hot water. Hot water not only extracts quite quickly, but also cooks as it extracts, causing a change in chemical structure.

One of the benefits of cold brewing is that the chemical process doesn’t change, since the temperature doesn’t. You could drink your Cold Brew today and then in a few days and it should taste the same. Even though it may take more coffee to make, you will probably discover that none of it goes to waste.

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