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Cold Brew Coffee in a Mason Jar

Advantages of cold brew include its acidity level, cold brew is much less acidic than hot coffee it has a metabolism boost, and it’s easier on your stomach than hot coffee.

YIELD3 to 4 servings

We recommend using 100% Kona Coffee and especially this unbelievable Kona Kulana Cold Brew blend. We love using a mason jar for this recipe. It’s simple and doesn’t require specialized equipment. There are also no off flavors from soaking the grounds in a coffee bag. Using a coffee filter makes cleaning up easy as you can just toss the whole works, filter and grounds, in the compost bin. After straining, you can rinse out the mason jar and pour the coffee back in the jar for storage in the fridge.

Cold Brew Coffee in a Mason Jar


  • 1 ½ Cups Course Ground Coffee
  • 3 to 3 ½ Cups Cold Water


  • Step 1 Grind the coffee beans into a coarse grind

  • Step 2 Combine the ground coffee and water in the jar and stir

  • Step 3 Steep the coffee overnight in the fridge

  • Step 4 Strain the coffee concentrate

  • Step 5 Transfer the cold brew to a clean jar for longer-term storage and enjoy!