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Family & Community Health
Contact me with all your health and wellness questions in the Columbia River Gorge.
Associate Professor of Food Safety Systems, Statewide Specialist for Master Food Preserver Program
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Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

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I had a jam apocalypse, what happened?

I made uncooked freezer jam from blackberries in my yard. I put the prepared jam in jars, placed lids but not too tight with 1/2 headspace. After letting them sit on the counter for 24 hrs ( for the pectin to set) the jam was seeping out of the lids and when I unscrewed the lid the jam almost popped...

By Joy Waite-Cusic, | Featured Question