Food Preservation

UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: What's the Best Way to Preserve Eggs?

May 12, 2026
Freezing eggs is a great way to ensure you always have eggs on hand. If you’re tempted by the better pricing of a 24-pack of eggs but are worried that you can’t consume them before they go bad, or if you raise …
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: How to Determine the Gel Point for Jams and Jellies

May 12, 2026
Canning Basics: How to know that a gel will form when making soft spreads. How do you know when your jams, jellies, and other soft spreads are ready to remove from the heat? There are several tests that can determine that the gel point (aka gel stage) has been reached, including the sheet test and the…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Storing Canned Food in Hot Weather

May 12, 2026
It's getting hot in the kitchen! With the arrival of summertime, lots of fresh seasonal produce becomes available and “canning season” really heats up. Unfortunately, so does your garage, attic, and maybe even your kitchen.Storing canned goods in hot places, such as a garage, attic, above the stove,…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: The Pros, Cons and Limitations for Canning Meat and Poultry

May 12, 2026
Understand the difference between hot pack vs raw pack for canning meat and poultry.Hot pack and raw pack refers to the method of packing food into jars prior to canning. There are advantages and disadvantages to each method; when both options are given, the one you choose comes down to personal preference…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Pros, Cons, and Limitations for Canning Fruits & Vegetables

May 11, 2026
What does "hot pack" vs "raw pack" refer to regarding canning produce? Hot pack and raw pack refer to the method of packing food into jars prior to canning.  There are advantages and disadvantages to each method; when both options are given, the one you choose comes down to personal preference…
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Inside of a freezer door, three rows of freezer jam in straight-sided glass jars with at least 1/2 inch of headspace
UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Rules for Freezing in Canning Jars

May 11, 2026
Choose the correct shape, and don't forget the headspace! Canning jars are a great choice when it comes to packaging foods for the freezer.  They’re durable, reusable, leakproof, and they keep food from absorbing odors and off flavors from other foods in the freezer. However, it’s important to…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: How to Size Canning Jars Up or Down

May 7, 2026
Adjustments to recipe canning jar sizes is possible, within guidelines Is it possible to make changes to recommended canning jar sizes when canning your favorite recipes? In the case of canning with smaller jars, the answer is yes, you may safely size down and use a smaller jar. However, larger jar…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Baking in Canning Jars is Unsafe

May 7, 2026
Canning Basics: Canning jar manufacturers specifically recommend against using their jars in the oven. Baking in canning jars (aka mason jars) is an unsafe practice, despite those cute pictures of miniature pies and cakes you see on the internet, especially around the holidays. Why? Canning jars are not…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Is it okay to wash canning jars in the dishwasher?

May 7, 2026
Washing and sterilizing are two different things. Is it okay to wash canning jars in the dishwasher? Sure, it’s a convenient option, especially if you have a lot of jars to clean, and it’s a good way to keep the jars hot until they’re ready to be filled and go into the canner. (And just a reminder that…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Colorful Canning Jars are Not Always for Canning

May 7, 2026
Some eye-catching canning jars are inappropriate for food preservation.  If you’ve been travelling the aisles at the local crafts store or shopping online for canning supplies, you may have come across some eye-catching canning jars in vivid colors, including red, cobalt, amethyst and even black. They…
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