Sweet Zucchini Relish Canning Recipe

Each summer most farmers, homesteaders, and backyard gardeners are blessed with an abundance of both zucchini and cucumbers. Sometimes you can’t seem to give enough of the green produce away before they begin to rot on the vine.

Making relish is an excellent way to turn the high yield crops into tasty treats that can be stored for years to come – and given as Christmas presents to grateful loved ones.

Heat the jars at about 200 degrees while preparing the water bath to boil so they are disinfected, ready to go, and warm enough to match the water temperature to deter cracking when placed inside.

Sweet Zucchini Relish Recipe


  • 4 cups onions finely chopped
  • 12 cups zucchini shredded
  • 1 tablespoon dry mustard
  • 5 tablespoons salt
  • 5 sugar sugar
  • 1 red bell pepper chopped
  • 1 and ⅓ teaspoons celery seeds
  • 2 and ½ cups apple cider vinegar
  • ¾ teaspoon nutmeg ground
  • ½ teaspoon black pepper
  • 14 half pint Mason jars, rings, and lids


  • Combine the salt, onion, and zucchini in a bowl and refrigerate over night.
    salt-onion and zucchini in a blender
  • Drain the moisture in the bowel through a strainer.
  • Rinse the mixture and make sure it is thoroughly drained before moving on to the next step.
  • In a separate bowl combine the celery seeds, black pepper, dry mustard, and nutmeg.
  • Heat over medium heat the spices, red bell pepper, apple cider vinegar, sugar, and zucchini mixture until it reaches a simmer – this takes about 25 minutes.
  • Fill the pint Mason jars with the mixture – leaving about a ¼ of an inch head room.
  • Place the heated lid and ring onto each jar.
  • Put the jars in the water bath – leaving about 2 inches of space in between each jar.
    jars in water bath canner
  • Cover the water bath canner with its lid and process for 25 minutes.
  • Remove the jars and place them carefully onto a towel (not touching) until you check them to make sure they have sealed and cooled before storing or consuming.
zucchini relish canning recipe pinterest

3 thoughts on “Sweet Zucchini Relish Canning Recipe”

  1. Unfortunately we had neither zucchini nor any other squash this year, due to the incessant rain; but, this recipe should come in handy for later and in the case where we get some others passing on their extras to us.
    Normally we shred extra zucchini and freeze it for later use. The shreds may be used either fresh or after thawing, to make zucchini bread, that is more like a cake than a real bread.
    It is also tasty, sliced, dipped in egg and then flour or corn meal and baked until almost crisp.
    Being able to print the recipe (as a PDF) comes in really handy. Thanks.


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