Learn all about canning whole tomatoes. This step by step tutorial is perfect for beginners or those with lots of canning experience. One of the easiest ways to preserve your tomato harvest to utilize all year long!
Process quart jars for 45 minutes, adjusting for altitude..
For water bath canner
For pressure canner
Prepare tomatoes as per above instructions, either raw pack or hot pack.
Prepare pressure canner according to manufacturer’s recommendations, using the bottom canning rack and heat water. Load jars into canner.
Place lid on canner securely according to manufacturer’s recommendations. Process jars for the allotted amount time at the specified pounds pressure per square inch, for your altitude. See recipe notes below.
Once your processing time has passed, remove pot from heat. Allow it to cool naturally and release pressure.
After pressure has released, open canner carefully. Remove jars with your jar lifter and place them on a kitchen towel on the counter for 24 hours.
Check seals. Press down in the center of the lid. If it flexes that jar did not seal and must be refrigerated or reprocessed with a new lid, if desired.
Will store for at least 12 months. Store in cool dry location.Processing times for water bath canner, adjusting for altitudeInformation from National Center for Home Food PreservationFor Pints0-1000 feet above sea level 40 minutes1000-3000 ft. 45 minutes3000-6000 ft. 50 minutesabove 6000 ft. 55 minutesFor Quarts0-1000 feet above sea level 45 minutes1000-3000 ft. 50 minutes3000-6000 ft. 55 minutesabove 6000 ft. 60 minutesCanning pressure for dial gauge canner, adjusting for altitudeFor pints or quarts -15 minutes0-2000 feet above sea level 6 pounds2000-4000 ft. 7 pounds4000-6000 ft. 8 poundsabove 6000 ft. 9 poundsFor pints or quarts - 10 minutes0-2000 feet above sea level 11 pounds2000-4000 ft. 12 pounds4000-6000 ft. 13 poundsabove 6000 ft. 14 poundsFor weighted gauge cannerFor pints or quarts - 15 minutes0-1000 feet above sea level 5 poundsabove 1000 ft. 10 poundsFor pints or quarts - 10 minutes0-1000 feet above sea level 10 poundsabove 1000 ft. 15 pounds