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Home · S03-01 · Preserving

Home Canning

Safe home canning — from jam and pickles to canned tomatoes and sauerkraut

28 pages · 12 chapters · 7 worksheets · A4

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Levels this guide covers

72 hours2 weeks3 months1 year+

In short

  • Acid foods (fruit, jam, cucumbers and peppers pickled in vinegar, tomatoes with added acid) can be processed in a boiling-water bath.
  • Low-acid foods (meat, beans, green beans, corn, potatoes) may be canned only in a pressure canner.
  • Follow a tested recipe all the way — never change the vinegar-to-water ratio, the processing time or the headspace "by eye".
  • Recipes assume vinegar with 5% acidity. Dilute 9% vinegar first: 5 parts vinegar + 4 parts water.
  • Bulging lid, leaking, hissing, an unpleasant smell or mold = throw it out without tasting.

What's inside

  1. 01Why Safety Matters More Than the Recipe
  2. 02Acid and Low-Acid Foods
  3. 03Equipment
  4. 04Preparing Jars and Lids
  5. 05Water-Bath Canning Step by Step
  6. 06Pressure Canning — the Basics
  7. 07Tradition Under the Microscope
  8. 08Tested Recipes
  9. 09Storage and Shelf Life
  10. 10Signs of Spoilage
  11. 11The Most Common Mistakes
  12. 12Printable Checklist

Worksheets (appendices)

  1. AA Jar Looks Suspicious — What First?
  2. BJar Labels
  3. CBatch Log
  4. DSeason Plan
  5. EEquipment by Priority
  6. FLocal Information Card
  7. GWorked Example — Home Canning for a Family of Four

Sources are listed on the last page of every guide.

A look inside

The guide's table of contents pageA Jar Looks Suspicious — What First?

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