Home » Properly Storing Coffee in Mason Jars: A Guide

Properly Storing Coffee in Mason Jars: A Guide

You love coffee so much, you wish you could live inside the aroma. Well, we can't quite make that happen, but we can help you preserve the freshness and flavor of your coffee beans.

In this guide, we'll show you the secrets to properly storing coffee in mason jars. Say goodbye to stale coffee and hello to a rich, aromatic brew every time.

Let's get started!

Choosing the Right Mason Jar

To choose the right mason jar for storing your coffee, consider the size and material of the jar.

When it comes to size, it's important to find a jar that can comfortably hold the amount of coffee you plan to store. If you're a daily coffee drinker, a larger jar may be necessary. However, if you prefer to brew smaller batches, a smaller jar should suffice.

As for material, glass mason jars are the ideal choice as they're non-reactive and won't absorb any odors or flavors. Plastic jars may be a cheaper alternative, but they can retain odors and affect the taste of your coffee.

When considering alternative storage options, ensure that the container is airtight and kept in a cool, dark place to maintain freshness.

Preparing the Mason Jar for Coffee Storage

When preparing the mason jar for coffee storage, you'll want to ensure that it's clean and free from any residue or odors. Here are some steps to follow:

  • Start by washing the mason jar thoroughly with warm soapy water.
  • Rinse the jar well to remove any soap residue.
  • If there are stubborn stains or smells, you can use a mixture of vinegar and water to soak the jar for a few minutes before rinsing it again.
  • Make sure to dry the jar completely before using it for coffee storage.

Consider using alternative storage options like silicone seals or vacuum-sealed containers to keep the coffee fresh for longer periods.

Properly Measuring and Filling the Mason Jar

To properly measure and fill the mason jar for coffee storage, you'll need a few key steps.

First, ensure measuring accuracy by using a scale or a measuring spoon. This will help you determine the correct amount of coffee to put in the jar.

When filling the jar, be mindful of preventing spills. Slowly pour the coffee into the jar, using a funnel if necessary. Take your time and be steady to avoid any unnecessary mess.

It's also important to leave some space at the top of the jar to allow for expansion as the coffee releases gases.

Sealing and Storing the Mason Jar

Now you can seal and store your mason jar by following these simple steps:

  • Tighten the lid: Ensure the lid is securely tightened to create an airtight seal.
  • Store in a cool, dry place: Keep the mason jar away from direct sunlight or heat sources to preserve the coffee's flavor and freshness.
  • Avoid excessive shaking: Try to minimize shaking or jostling of the jar to prevent oxidation and maintain the coffee's quality.
  • Consider vacuum sealing: If you want to further extend the coffee's shelf life, you can use a vacuum sealer to remove air from the jar before sealing it.
  • Explore alternative storage methods: If you don't have a mason jar, you can use other airtight containers like ceramic canisters or stainless steel containers to store your coffee beans.

By following these sealing techniques and alternative storage methods, you can ensure that your coffee remains fresh and flavorful for longer periods.

Happy brewing!

Maintaining Freshness and Flavor Over Time

To maintain the freshness and flavor of your coffee over time, follow these simple steps to ensure that your coffee stays as delicious as possible.

First and foremost, extending the shelf life of coffee starts with proper storage. By storing your coffee in airtight mason jars, you can prevent air and moisture from seeping in, which can cause your coffee to go stale.

Additionally, it's important to keep your coffee away from light, heat, and humidity, as these factors can also accelerate the process of coffee going stale.

Lastly, be sure to grind your coffee beans right before brewing to preserve the freshness and aroma.


So remember, when it comes to storing coffee in mason jars, choosing the right jar and properly sealing it's crucial.

But did you know that improper storage can lead to a significant loss in flavor? In fact, studies have shown that coffee can lose up to 60% of its aroma and taste within just two weeks if not stored correctly.

So take care of your coffee and enjoy every sip with the help of these mason jar storage tips.


  • Amanda Marquette

    Amanda Marquette, Chicago’s Coffee Content Writer for Coffeescan.com, boasts a deep-seated passion evident in her coffee plant tattoo. A Stanford grad with a Food & Beverage cert, she’s been honored with the Cup of Excellence. Her love story with coffee began with an accidental spill, evolving into articulate writings and podcasts. A fervent espresso lover, Amanda adds rich flavor to the Coffeescan team.

  • Donald Anderer

    Denver-born Donald blends mountain vibes with coffee artistry. A Rhode Island School of Design alum, he paints with coffee and captures its essence with certified food photography skills. Favored brew? The intense Ristretto. Coffeescan’s artistic soul.

  • Olivia Barker

    L.A.-born Senior Coffee Editor at Coffeescan.com. Stanford grad in Sustainability. Certified Coffee Taster by SCA with over 200 unique stir sticks. Awarded by the National Coffee Association. From Parisian cafés to Roman espresso bars, Olivia brings rich global insights. Cappuccino aficionado.