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Watermelon Jelly

Glass jars filled with bright red watermelon jelly, surrounded by fresh watermelon slices, limes, and a spoonful of jelly.

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This easy Watermelon Jelly Recipe captures the bright, juicy flavors of summer in a sweet, spreadable preserve. Made with just four simple ingredients, it’s perfect for toast, desserts, gifting, or canning.

Ingredients

Scale
  • 68 cups chopped watermelon (rind removed)
  • 23 cups white granulated sugar
  • 1/2 cup bottled lime juice (or 3/4 cup fresh lime juice)
  • 1 box Sure Jell low-sugar pectin

Instructions

  1. Chop watermelon and blend until smooth.
  2. Strain the puree using cheesecloth or a jelly bag to get 4 cups of juice.
  3. In a saucepan, combine watermelon juice, lime juice, and pectin. Whisk to dissolve.
  4. Bring to a boil and cook for 1 minute.
  5. Add sugar and boil for 1 more minute while stirring.
  6. Ladle into jars leaving 1/4-inch headspace.
  7. Wipe rims and seal with lids.
  8. For refrigerator jelly: Let set for 24–48 hours, store up to 3 weeks.
  9. For canning: Process in hot water bath for 10 minutes (15 at high altitude), then cool at room temp for 12 hours before storing.

Notes

  • Always use lime or lemon juice to ensure safe acidity levels for canning.
  • Yellow watermelon can be substituted for a sweeter and golden-colored jelly.
  • Adjust sugar according to watermelon sweetness and taste preference.
  • Use Pomona’s Pectin as an alternative with agave for low sugar options.

Nutrition