Cucumber Ketchup

6 ingredients
2 steps

Ingredients

  • 3 very large cucumbers - peeled, seeded, and chopped
  • 2 large onions, chopped
  • 1/2 cup salt
  • 1 cup apple cider vinegar
  • 1/4 cup mustard seed
  • 1 teaspoon ground black pepper

Directions

  1. 1
    Mix cucumbers and onions in a large bowl; stir in salt until thoroughly combined. Transfer mixture to a colander, cover colander with plastic wrap, and let drain overnight.
  2. 2
    Place drained vegetables into a large bowl and pour in apple cider vinegar; stir to combine. Working in batches if necessary, place vegetables with vinegar into a blender and puree. Pour puree into a bowl and season with mustard seed and black pepper. Spoon the ketchup into small jars with lids; cover and store in refrigerator for 3 days before serving. Ketchup keeps well in the refrigerator.

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