How do you seal jars at home?

Chef's answer
  • Immediately each jar is filled, cover the top with a waxed disc (wax side down) or piece of parchment so that it lies flat on the surface and excludes any air. ...
  • Then place the lid on the jar while the jam is still hot.
  • Jars can be sealed with cellophane secured over the jar with a rubber band.
  • Apr 19, 2017
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