Food Safety

UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Can You Make Jelly from Store-Bought Juice?

May 12, 2026
Commercial juice is an easy and convenient option, but...Yes, you can certainly make jelly from commercially prepared juice (either bottled or frozen). It’s faster and easier than extracting your own juice from fresh fruit.  There are a couple of things to keep in mind, however. The juice should be…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: "Dry Canning," an Internet Sensation, is Inherently Dangerous

May 12, 2026
Dry canning vegetables doesn't ensure even heating. Another “homemade” canning method (in other words, someone made it up themselves) has been making the internet rounds recently, which involves pressure canning vegetables without any added liquids. The food, either cooked or raw, is simply put in a jar…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Eggnog Safety

May 12, 2026
Make eggnog only from pasteurized eggs.Eggnog is a seasonal/holiday tradition in many households, and while it can be purchased commercially, some people prefer to make their own at home. Can you do so safely?  For sure, but use only pasteurized eggs when making eggnog. Raw eggs can be contaminated with…
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raw asparagus stuffed into a jar with flat end down
UC Master Food Preserver: Article

Learning Through Experience: Pickling Asparagus for the First Time (May 2026)

May 12, 2026
By Robin E Martin
Four valuable lessons that will take the stress out of canning pickled asparagus.My first time making pickled asparagus at home, by myself, with a borrowed steam canner, was a lot of fun, a fair amount of work, and produced what I would call mixed results, but I have no regrets.   The recipe I…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Yuck! My Canned Food Has an Off Flavor

May 12, 2026
Flat sour is a result of improper cooling procedures. Flat sour is a type of food spoilage that results in food having an unappealing tasteless or off-flavor and a sour-like vinegar aroma.  It is caused by thermophilic bacteria surviving the canning process because the jars of food were kept hot…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Blanch Vegetables Before Freezing

May 12, 2026
Blanching is an important step for vegetable quality. Blanching is a heat process in which vegetables are scalded in boiling water or steam for a brief (but specific) amount of time. It is a very important step in the freezing procedures for most (but not all) vegetables. Blanching stops enzymatic…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Freezing Cranberries is Easy

May 12, 2026
Tricks for preserving the highest quality of fresh cranberries. Cranberries are a wonderful fall fruit that are easy to preserve for use throughout the year. The very easiest preservation method is to simply store them in the fridge (refrigeration is preserving!), where they will keep for about 4 weeks…
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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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