Homemade Low Sugar Concord Grape Jelly

Homemade, low sugar Concord grape jelly is a fun one to have in the pantry and makes the most delicious nut butter sandwich imaginable!

Concord grapes for Concord grape jelly

I was certain that I was going to miss the Concord grape season this year. I spent most of September away from Philadelphia and while I did plenty of canning while out in Portland, I didn’t manage to get any grapes.

Concord grapes in a colander for Concord grape jelly

Now, it’s easy enough to get good quality Concord grape juice any time of year for jelly making (and I tell you how to do exactly that in my first cookbook). But I do so like to make it straight from the grapes when I can, because there’s nothing like the fragrance and flavor of fresh Concord grapes.

simmered Concord grapes for Concord grape jelly

A couple weekends ago, I spent the morning demonstrating how to make honey-sweetened jam at the Antietam Valley Farmers Market. When I was done with my demo, I made a quick circuit to pick up a few things for the week and one of the vendors had three quarts of Concord grapes left. They all came home with me.

Concord grape pulp in a food mill for Concord grape jelly

This preserve is halfway between a jelly and a jam. Instead of simply extracting the juice from the grapes, I simmer them and then push them through a food mill, so that I can get as much pulp as possible into my finished product.

Just remember. Concord grapes stain like crazy, so wear dark colors or your least favorite apron when making this. And if you have marble countertops, take care!

Concord grape jelly in Lock Eat jars

This is a lower sugar grape jelly that you often find (I used a ratio of 4 parts juice to 1 part sugar). I’ve got a similar preserve in Naturally Sweet Food in Jars that is sweetened with maple sugar, if you want to avoid the refined stuff entirely.

I like this version because the flavor of the grapes is the one that it spotlights, and there’s nothing better on piece of peanut butter toast than a smear of grapey goodness.

Low Sugar Concord Grape Jelly

Yield: between 4 and 5 half pints

Ingredients

  • 4 pounds Concord grapes
  • 2 cups granulated sugar
  • 1 tablespoon calcium water (calcium powder comes in the box of Pomona's Pectin)
  • 1 tablespoon Pomona's Pectin

Instructions

  1. Wash the grapes and pluck them off their stems. Put them in a pot with a tight-fitting lid and add two cups of water. Set over high heat and bring to a boil. Reduce the heat to medium-low and simmer for 20 minutes.
  2. Once the grapes are soft, remove them from the heat. Let them cool.
  3. Fit a food mill with its finest screen and set it over a bowl. Pour the cooked grapes into the food mill and work them through.
  4. Measure out eight cups of the grape juice and pulp pour it into a preserving pan. Add 1 1/2 cups of sugar and the calcium water.
  5. Prepare a boiling water bath canner and five half pint jars.
  6. Bring to a boil and cook for 20-25 minutes, until the liquid has reduced by about 1/4. Whisk the pectin into the reserved sugar and add it to the boiling pot in stages, stirring between each addition so that the pectin doesn't clump.
  7. The jelly is done when it sheets thickly off the back of a spatula and forms thick layers on the walls of the pot.
  8. Remove the pot from the heat and funnel the jelly into the prepared jars. Wipe the rims, apply the lids and rings, and process in a boiling water bath canner for 10 minutes.
  9. When the time is up, remove the jars and set them on a folded kitchen towel to cool. When the jars have cooled enough that you can comfortable handle them, check the seals. Sealed jars can be stored at room temperature for up to a year. Any unsealed jars should be refrigerated and used promptly.
http://foodinjars.com/2016/10/concord-grape-jelly/

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16 Responses to Homemade Low Sugar Concord Grape Jelly

  1. 1
    mlaiuppa says:

    I love grape jelly. I did make it a few years ago when my Dad had a big crop of Thomcord grapes. It’s a cross between Thompson seedless and Concord that we have here in California. My Dad got a vine from somewhere and planted it and it’s been the most successful producer of all of the grapes he planted. It’s not quite as strong in flavor as a straight Concord but close enough. He had way more grapes than we all could eat so I harvested a laundry basket full and made two batches. I used a food mill and I did strain the juice but it still isn’t quite jelly. But good enough for us.

    I’ve got three bags from this year in the freezer waiting for the weather to cool before I process them. And I found a source for Pomona’s pectin so I’ll be trying that too.

    Love to see you used those jars from the giveaway.

  2. 2
    Peggy says:

    Looks delicious. I don’t have calcium water or the Pomona’s pectin. Can I substitute MCP regular pectin? Thanks for all the wonderful recipes.

  3. 3
    Julie says:

    When you say “pour the grapes”, I’m assuming you’re including the 2 cups of water you added? That would basically be what is reduced off. Also, the photo shows you didn’t stem all the grapes perfectly. That’s the part I hate about processing grapes and was wondering if doing a so-so job was acceptable since the food mill will catch stragglers.

    • 3.1
      Marisa says:

      I mean the grapes and all the liquid, including the water. And I didn’t do a perfect job of stemming the grapes before I simmered them and then had to do the messy job of removing the stems once they were cooked. My fingers are still purple. It’s better to stem them before cooking.

  4. 4
    Shae says:

    Thank you for this recipe, Marisa. Stewart is the biggest Concord grape fan I know; he eats several whole bags full at this time of year. I really should make him some jam!

  5. 5
    Charlie says:

    shouldn’t need the pectin at all if you cook the grapes long enough. I follow my MiL’s grape butter recipe (which uses more sugar) and never had to add any.

    • 5.1
      Charlie says:

      oh, I see that you also add water, that could be why you need the pectin.

    • 5.2
      Marisa says:

      The reason you need the pectin is because of the reduced amount of sugar. When you reduce sugar, you can’t get the necessary temperature elevation needed for set.

  6. 6
    Denise says:

    It was lovely to have you as our guest at the Antietam Farmers’ Market. The community, shoppers and even our vendors, enjoyed your demonstration and sampling your jam. We are all looking forward to making recipes from your cookbooks!

  7. 7
    Connie says:

    I just opened up a jar of my homemade Concord Grape Jelly made late summer and notice a thin top layer of what looks like dark colored residue that settled at the top after processing. The rest of jelly looks fine. I added a some pureed skin from grapes to the batch before processing which may have created this darker colored residue (scum). The seal appears fine and very tight. I examined the rest of unopened jars and all have the same residue at top. Not very attractive and just wondered if this some times happens. Thank you for any imput or advice!

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