This watermelon jam recipe is the perfect way to use up watermelon juice. All you need to do is simmer it and you’ll have jam soon enough to spread on a bagel.
This year we grew a bunch of watermelons in the garden. If you’re looking for a good container fruit to grow, watermelon is the direction you should go in. On each plant we usually get 3-4 watermelons which quickly adds up when you have a few plants! By the way did you know that watermelon is a fruit and a vegetable? It is a fruit because it grows from a seed. It’s a vegetable because it is harvested and cleared from the field like other vegetables and because it is a member of the same family as pumpkins. I had no idea!
With watermelon cut to enjoy in fruit leather (recipe coming soon) we are left with quite a bunch of watermelon juice. I always freeze some juice to enjoy in smoothies throughout the Winter, but I wanted to do something with the watermelon juice now, so I made some watermelon jam.
I love making homemade jam with blueberries so I decided this time to make a watermelon jam recipe. And because I think all jam tastes and smells better with a bit of cinnamon we’ll throw some of that in to make it extra special. This recipe calls for 16 cups of watermelon juice (watermelon is 92% juice) but if you don’t have that much just scale down the recipe.
Start with a big pot of your watermelon juice.
Bring it to a boil on the stove. Reduce heat to medium high.
And then continue to lightly boil for the next 2-3 hours. You will see the watermelon start to break down and thicken to a dark jam color. This is mine after 3 hours.
I’ll let the jam sit for a few minutes to thicken up completely and then I’ll quickly get it in mason jars, You can see how thick the jam got here.
I bet noone will believe you when you tell them this jam is watermelon jam!
Now throw in a mason jar and into the fridge it goes. This would make a great holiday present too!
When it’s ready to spread on a bagel or toast, smear a bit all over and enjoy your homemade jam!
Hope you enjoy it as much as I do!
- 16 cups watermelon juice (seeds out)
- 1 cup sugar
- 1 tablespoon lemon juice
- 2 tablespoons cinnamon
- Mix all ingredients in large pot. Bring to a boil.
- Reduce heat to medium high. Keep a eye on this so it doesn't boil over. Skim foam as it rises. Check and stir every 15 minutes.
- Continue to boil for 2-3 hours (mine took 3 hours). Depending if you reduce the recipe yours might done faster, so keep checking to make sure it doesn't burn.
- Let sit for 5 minutes. Immediately place in mason jar. The jam hardens quickly so if you let it sit for longer it will be tough getting it out of the pot.
- Place in refrigerator and enjoy!
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