What is a boiling-water canner?
A boiling-water canner is a large kettle with lid and rack. It must be deep enough to allow jars to be covered with 1 to 2 inches of water and still have additional height for water to boil actively. It is suitable for processing foods such as fruits, pickles and sweet spreads.
Barbara Willenberg, Nutritional Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009