How to make cold brew coffee in a mason jar recipe + video – my favorite way to make cold brew concentrate! Paleo, low carb, gluten free, grain free, dairy free, sugar free, clean eating, real food.

pouring cold brew coffee into a mason jar filled with ice

If you’ve never had cold brew coffee, I am about to change your life with a wonderful new discovery!

Rather than making coffee by pouring over boiling water, you let it slowly steep for 24 hours. The resulting coffee is smooth and has not bitter or acidic taste. Especially great if coffee tends to give your heartburn. Bonus, it’s always ready and waiting in the fridge.

cold brew mason jar coffee

Mason Jar Cold Brew Equipment

There are tons of ways to make cold brew coffee, but my favorite is in a mason jar. We live in a very small house, with an even smaller kitchen. I love that all I need is this one little filter and I can turn all my mason jars into a cold brew maker!

Here is the coffee gear that I have and love to make cold brew:

cold brew coffee over ice in a mason jar

Serving Cold Brew

When your cold brew is done steeping, you strain it, dilute it to your desired potency, then enjoy! You can serve it over ice, or heat it up and enjoy cold.

And I must insist you also make my homemade dairy free heavy cream creamer. The 2 are going to give you the best afternoon pick-me-up!

Watch How To Make Cold Brew Coffee In A Mason Jar

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How To Make Cold Brew Coffee In A Mason Jar


  • Author: Natalie
  • Prep Time: 5 minutes
  • Cook Time: 24 hours
  • Total Time: 24 hours 5 minutes
  • Yield: 4 cups of cold brew 1x
Scale

Ingredients

Cold Brew

  • 1 cup coarse ground coffee grinds
  • 3 cups water
  • Another 12 cups of water to dilute the ratio after the coffee has steeped overnight

Kitchen Equipment


Instructions

  1. Place the coffee filter inside your wide mouth quart mason jar, making sure the rubber gasket is between the filter and the mason jar (this will prevent leaks). Add in the coarse ground coffee grinds.
  2. Pour 3 cups of water over the coffee grinds, or enough to fill the mason jar up to the top with water.
  3. Cover with the mason jar lid, and give it a shake.
  4. Steep the coffee for at least 24 hours. You can leave on the counter or the refrigerator.
  5. After the coffee has steeped, lift out the coffee filter and let all the water drain out. I like to transfer it to another quart mason jar and let it slowly drip out.
  6. The resulting coffee concentrate is strong. I like to add another cup of water to the concentrate, which fills the quart mason jar perfectly to the top. This will make a very strong cold brew. You may not like it this strong, and want to dilute it with 2 cups of water or more. You may need to divide among 2 quart mason jars to dilute to your liking.
  7. Shake the mason jar well before serving since the cold brew can separate. Serve it cold over ice, or heat it up and drink it hot. I love it with my homemade dairy free creamer!
  8. Will keep refrigerated for at least 7 days.

Notes

You can use regular or decaf coffee. I drink decaf every day. It still has the tiniest bit of caffeine in it, closer to the amount tea has. Makes me less jittery.

I prefer buying whole beans and grinding them myself in my coffee grinder, gives you a fresher tasting cold brew. Use pre-ground coffee works too!

You want to let the coffee steep for at least 24 hours, but it can steep longer! I usually start steeping my next batch as soon as I filter out my current batch. That way I never run out!

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