Rhubarb is one of those plants where if you have it, you have a ton of it.
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We don’t actually grow rhubarb in our yard, but both neighbours have rhubarb plants and neither neighbour wants any of it. Since we hate seeing food go to waste, we harvest as much as we can, wash it, chop it, and freeze it. This year we ended up with a large deep freezer stuffed to the brim with rhubarb because it was our biggest harvest ever.
When you think of rhubarb and how to use it, you’re probably thinking desserts—primarily rhubarb crumble and rhubarb pie. While those are both great, my husband and I aren’t really dessert people and so we never make either of these ourselves. My step-dad loves to make it though, so he’ll go through several bags of rhubarb every summer when he’s here.
But, still, several bags (maybe 10?) out of somewhere around 40 means there’s still a TON of rhubarb left to use up.
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I’ve been working on ways to use rhubarb that aren’t desserts. I make a super delicious rhubarb wine and my rhubarb ginger gin is something I get requests for year-round. I also make a rhubarb lemonade concentrate, though that recipe needs some tweaking because it’s kind of bland (and that’s why it’s not on this site yet), and I make a rhubarb simple syrup that works great for cocktails (which I hope to have on my blog later this year).
And the final recipe I make is rhubarb jelly. Like desserts, jellies are not something my husband and I eat, so I make this for a family member upon request. It just so happens she requested another batch this past week, so I got to work in the kitchen and whipped up a batch!
Preparing rhubarb juice
This recipe can be made with either fresh or frozen rhubarb. I tend to make it from frozen since I have no time in the height of summer to make jelly when there are a million other more urgent things that need doing.
Once you’ve got your rhubarb, it’s time to make the juice.
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This is where I pull out my steam juicer. In fact, I have a whole post about using my steam juicer to make and can rhubarb juice. In that post I had mentioned that since I knew I’d more than likely be using the juice for recipes in the future, I opted to not add the optional sugar I wouldn’t have to have to recalculate how much sugar the recipe calls for. So, for this batch of homemade rhubarb jelly, I popped open a couple pints of pre-canned juice and skipped this whole first step.
However, if you don’t have rhubarb juice on hand—and, really, how many people do?—you have two options for extracting juice from your rhubarb: using a steam juicer or the stove top method.
Using a steam juicer
If you have a steam juicer on hand, this is the method I highly recommend.
Set up the juicer as per manufacturer directions, which usually means filling the bottom pot with water, stacking the pots together, and loading the top pot with your fresh or frozen rhubarb. (If you’re using frozen rhubarb, you don’t even have to thaw it first!)
You’ll likely need around two pounds of rhubarb, though you might want extra on hand in case it takes more rhubarb to get that amount to juice.
Turn on the stove, watch that the bottom pot doesn’t run dry, and let the juicer do its work!
Using the stove top method
This requires a bit more active work, but it doesn’t require expensive equipment like a steam juicer.
Boil two pounds of rhubarb in four cups of water until the rhubarb just completely falls apart. Then, with a jelly bag or cheesecloth-lined strainer suspended over a large bowl, strain the rhubarb. Let it sit in the jelly bag or strainer for a couple hours to allow the juice to fully drain from the rhubarb. You should end up with about four cups of juice.
If you’re short on juice, you’ll want to run another smaller batch through this process to obtain the juice. You may want to actually do a little more than the recipe calls for just to ensure you have enough juice.
Making homemade rhubarb jelly
Once you have the juice on hand, the process of making the jelly is really quite simple.
You will need a large pot. You’ll want one larger than you think, because in the later steps, it will likely bubble up quite a bit and if you use a small pot it may boil over.
Pour the four cups of rhubarb juice into the pot and bring it to a boil, then let it boil for a minute.
Then add a packet of powdered pectin and whisk it in, bringing the mixture back to a boil, letting it boil for a minute.
Finally, add six cups of sugar and again whisk and bring back to a boil, letting it boil for a minute. This is the stage where it can get really bubbly and could bubble over if you’re using a too-small pot.
Once the final minute is up, remove the pot from heat. If there’s a film on top of the jelly, you can skim it off. It doesn’t hurt anything if it’s there, it just might not look as nice in the final product.
Carefully ladle hot jelly into pre-warmed jars. To pre-warm a jar, I usually run it under hot tap water. You’ll want to fill them to a quarter-inch headspace. It can get pretty messy; a canning funnel can make the process easier and cleaner.
Once the jars are filled, wipe the rims with a paper towel wetted with white vinegar. This step is to clean the rim of the jar so it can seal properly. I find that when making jelly, it can be quite easy for there to be jelly on the jar rim, preventing a seal from forming, so this stage is more important here than it might be in other canning recipes.
Attach two-part lids to fingertip tightness and then load into your water bath canner. Ensure the water level is high enough that the jars are submerged by at least an inch of water. Turn on the heat, bring it to a boil, and once it’s boiling let it process for ten minutes.
Afterward, turn off the heat and let it sit for five minutes. Then carefully remove the jars from the canner and place them on a thick towel on a counter or table and let sit overnight. In the morning, check that jars have sealed. If so, they can sit at room temperature on a shelf for at least a year, after which time quality may degrade, but safety will not (as long as the jar remains sealed). Unsealed jars should be refrigerated and consumed promptly.
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Using rhubarb jelly
While there is, of course, the obvious use of homemade rhubarb jelly—slathering it on toast for breakfast—there are other creative uses as well. You could top a baked brie with rhubarb jelly, or slather it on a ham before baking.
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Rhubarb Jelly
Equipment
- Water Bath Canner
- 6-8 Half-Pint (One-Cup) Mason Jars
Ingredients
Rhubarb Juice
- 2 lbs Rhubarb, Cleaned and Chopped
- Water
Rhubarb Jelly
- 4 cups Rhubarb Juice
- 6 cups White Sugar
- 1 box Powdered Pectin
Instructions
How to make juice with a steam juicer
- Set up steam juicer as per manufacturer directions, which usually means water in the bottom pot and rhubarb in the top pot. Boil until the steam releases the juice. Make sure the bottom pot doesn't run dry.
How to make juice on the stove top
- Boil two pounds of rhubarb in four cups of water until the rhubarb completely falls apart.
- With a jelly bag or cheesecloth-lined strainer suspended over a large bowl, strain the rhubarb. Let it sit in the jelly bag or strainer for a couple hours to allow the juice to fully drain from the rhubarb.
How to make and can rhubarb jelly
- Pour rhubarb juice into a large pot and bring to a boil.
- Add the pectin, return to a boil, and boil for one minute.
- Add the sugar, stir to dissolve, return to a boil, and boil for one minute.
- Remove jelly from heat and immediately ladle into jars, leaving a ¼ inch headspace.
- Wipe jar rims with a paper towel wetted with white vinegar and attach two-part lids to fingertip tightness.
- Put in water bath canner and cover with hot water until jars are submerged by at least an inch of water. Process in canner for 10 minutes, starting the timer when the canner reaches a full boil.