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frozen watermelon cubes in an open freezer bag
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5 from 1 vote

How To Freeze Watermelon

Learn how to freeze watermelon so you'll never have to throw away those leftovers again...and you can have a little taste of summer all year long!
Prep Time15 mins
Flash-Freezing Time2 hrs
Total Time2 hrs 15 mins
Servings: 8 (about ½ cup each)
Calories: 23kcal
Author: Michelle / Now Cook This!


  • 4 cups cubed watermelon, 1" pieces (remove the rind and any large seeds)


  • Line a large baking sheet with parchment paper or wax paper.
    This will keep the frozen watermelon from sticking. If you don't have any parchment or wax paper, you might get a little sticking. Use a nonstick baking sheet if you have one.
  • Place the cubed and seeded watermelon on the baking sheet with space in between each piece so they don't touch.
  • Place the baking sheet in the freezer and freeze just until the watermelon cubes are firm (about 2 hours).
    This step is important because it keeps the watermelon from sticking to each other in one large clump, so you can pull out just as many pieces as you need later on.
  • Transfer the frozen watermelon cubes into a freezer bag. Remove as much air as possible, seal the bag, and place it in the freezer.

Recipe Notes

  • Make sure you start with watermelon that's fresh, ripe, and sweet so that your frozen watermelon is delicious too. If it doesn't taste good going into the freezer, it won't taste good coming out!
  • Always remove any seeds (especially the large brown ones) before freezing since they would be very difficult to remove once the watermelon is frozen. If using a seedless watermelon, it's okay to leave the tiny white seeds.
  • Frozen watermelon cubes can last for up to 8 to 12 months in the freezer when stored properly (but I say the sooner you use them, the better). Freezer burn is the enemy, so remove as much air as possible before you seal the bag.
  • Although this recipe uses 4 cups of watermelon cubes, you can freeze as much or as little watermelon using this method as you'd like. 
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