Canning & Preserving For Dummies
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Home cooks who live at high altitudes may be used to adjusting recipes; high-altitude adjustments apply to home canning, as well. Canning food safely requires your filled jars to be processed at a specified temperature or pressure level for a specified amount of time. If you live at altitudes higher than 1,000 or 2,000 feet above sea level, adjust your canning recipes for food safety.

  • Water-bath canning: Generally, recipes are written for water bath canning at altitudes less than 1000 feet. If you live higher than 1,000 feet above sea level, follow these guidelines:

    For processing times of less than 20 minutes: Add 1 additional minute for each additional 1000 feet of altitude.

    For processing times of more than 20 minutes: Add 2 additional minutes for each 1000 feet of altitude.

  • Pressure Canning: Pressure canning recipes are generally written for altitudes of less than 2000 feet. If you live higher than 2000 feet above sea level, make this adjustment: Increase pounds of pressure by 1/2 pound for each additional 1,000 feet.

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Marni Wasserman is passionate about real food. She inspires people to eat well and live well everyday. She shares many of her recipes and tips at www.marniwasserman.com. Amy Jeanroy is passionate about healthy, homemade foods and has been making and eating fermented food for 20 years. She shares daily recipes on her site, www.thefarmingwife.com.

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