Keep an eye on the jam and stir more frequently as it thickens to prevent it from sticking to the bottom of the pot.
Once the watermelon jam has thickened, remove it from the heat and let it cool completely.
Transfer the cooled jam into sterilized jars or containers and store them in the refrigerator.
Enjoy your homemade sugar-free watermelon jam on toast, pancakes, yogurt, or as a topping for desserts!
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