Quick Answers
Is it alright to process sweet spreads in simmering (180 degrees F.) water?
USDA now recommends that sweet spreads be processed in a
boiling-water canner (212 degrees F.) for five minutes
if you live at altitudes between 0 and 1000 feet. Above
1000 feet, process for 10 minutes.
Barbara Willenberg, Nutritional Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009
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