• Freezing Food in Glass – Why We Love It & What You Can Freeze

    January 17, 2017 • EAT, GUIDES, HOME, LIFE

    Eliminating Plastic from you Kitchen - Freezing Food In Glass

    Image: Frédérique Voisin-Demery

    Are you in the process of phasing out plastic storage containers and swapping them for glass? Glass is an excellent way to store food, whether it be in the pantry, the fridge, or even the freezer.

    Why we Love Freezing Food in Glass

    Healthier for the environment

    • Unlike plastic, glass is not made of petrochemicals
    • Glass is a resource efficient material, made of abundant natural raw materials, including sand and glass waste
    • It is infinitely recyclable, and can be recycled in close loop over and over again

    Healthier for you and your family

    • Glass does not contain BPA, PVC, Pthaltates or hormone disrupting chemicals
    • It will never leach harmful chemicals into your food

    Results in Less Food waste

    • Using glass minimises waste from plastic zip-lock bags and plastic containers
    • Leftovers can be frozen instead of being left in the fridge
    • Vegetable scraps can be frozen to make broth and soups later
    • The contents in glass jars and containers can been seen, so food isn’t likely to ‘disappear’ in the deep dark depths of the freezer

    It is easy to keep in top condition

    • Glass is non-porous, and doesn’t absorb smells or discolour
    • Glass is scratch proof, and after years of use it will still look new
    • It is easy to clean in soapy water, plus it is dishwasher safe
    • It dries quickly because it is not a porous material, unlike plastic

    Affordable

    • High quality, freezer-friendly Ball mason jars are in-expensive and versatile
    • Saving glass jars from pasta sauce, condiments, pickles, etc, is an affordable way to grow your glass jar collection

    Versatile

    • Glass jars and containers, such as Glasslock containers, come in many shapes and sizes
    • Some containers can easily go from oven to freezer (once food is cooled) or freezer to oven (once food is thawed)

    What Foods Can You Freeze in Glass

    • Beans – after cooking dried beans, put them into a mason jar or glass container with or without liquid
    • Biscuits – after cooking and cooling biscuits,  freeze in a wide mouth jar
    • Fruit and vegetables – first lay fruit out flat on a tray, freeze, and then transfer to a glass jar or container to go back into the freezer
    • Citrus zest – save those zests and reduce food waste by freezing them in a glass jar or container
    • Vegetable peels and scraps – great to keep on hand to make broth later on and easy to freeze in a glass jar or container
    • Broth – if freezing broth, be sure to leave a 3cm gap from the glass jar or container (you could also use a stainless steel ice cube tray to freeze broth too)
    • Soups and sauces – when freezing any liquid no matter what the consistency, it is important to leave at least a 3cm gap from the top
    • Baby food – make lots in one go and freeze, for quick, healthy meals every day
    • Leftovers – divide leftovers up into single meal size portions for easy grab and go mid week meals

    Tips for Freezing Food in Glass

    As we all know, liquids expand when frozen, so it is always advisable to leave a 3cm gap from the top of the jar or container when storing anything in the freezer.

    We also don’t recommend using thin necked bottles due to their risk of cracking.

    Not all glass handles thermal stress the same, so we recommend using glass containers that are made of borosilicate glass when heating and freezing food and drinks. Ball mason jars are also a suitable option.

    Shop all glass jars and containers here >

    7 Responses to Freezing Food in Glass – Why We Love It & What You Can Freeze
    1. Diane
      January 20, 2017 at 7:33 am

      How do you know a glass jar is made of borosillicate

      • Biome team
        January 23, 2017 at 5:00 pm

        Hi Diane, for new glass products, it will say it is borosililcate glass on the packaging. It may also find it written on the bottom of the container.

    2. Carina
      January 22, 2017 at 8:00 am

      Such a good ideas, I always keep my glass jars and use them for my pantry.

    3. Colleen
      February 5, 2017 at 11:52 am

      Just to clarify would you cool the hot foods first then put in jars & freeze?

      • Biome team
        February 7, 2017 at 2:23 pm

        Hi Colleen, yes of course – always cool hot foods before placing in glass jars or containers.

    4. Annie
      April 16, 2017 at 6:46 pm

      Can you store raw meats and poultry in glass jars? If so which jars are best?

    5. Linda
      April 19, 2017 at 2:56 pm

      I always thought you needed to blanch vegetables before freezing, can I freeze raw? thanks

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