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Canning with the Convection Steam Oven

Topics:

  • Is the Convection Steam Oven (CSO) approved for canning?
  • Are the "Prepare Jam Jars" and "Preserve Jam" modes in the CSO designed, programmed, or capable of canning?
  • Can the CSO do water bath or pressure canning?
  • What tray should be used in the CSO for canning?
  • Can tomatoes be canned in a CSO?

Answer:

The Wolf Convection Steam Oven is approved for water bath canning but is not capable of true pressure canning.

  • Wolf does not recommend canning or jarring anything besides jelly or jam in the Convection Steam Oven.
  • Use pressure canning for foods with lower acidity, rather than the Convection Steam Oven. Pressure canning raises the internal temperature of the jar to at least 240°F, which cannot be done in the Convection Steam Oven.

The CSO has two modes to help with canning: Prepare Jam Jars and Preserve Jam.

  • For details on entering either canning mode, see Convection Steam Oven Preserve or Jam Function.
  • The "Prepare Jam Jars" mode is defaulted to a 10 minute timer and is ideal for cleansing jars before the canning process.
    • In this mode, the temperature is set and cannot be adjusted. However, the end time is adjustable.
  • The "Preserve Jam" mode is defaulted to 30 minutes and can be used for water bath canning.
    • This is ideal for high-acid foods such as tomatoes, fruit, and pickles.
    • This is not recommended for low-acid foods such as meats, poultry, seafood, and vegetables other than tomatoes.
    • In this mode, the temperature is set and cannot be adjusted. However, the end time is adjustable.
  • The amount of time required to properly can foods varies based off the type of food, size of jar, and number of jars. Refer to selected recipe for further information.
    • Average preservation times are 30 - 45 minutes.
    • Lower internal temps are required for higher acidity foods (jams and jellies) and higher temperatures are needed for lower acidity foods (vegetables).
  • Use the perforated tray when canning.

Refer to the product Use and Care Guide for further information.

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