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canning, preserving American
Hammond-Independence Blueberry Jam

Photo by: Joseph DeLeo
Comments: 0


After the strawberry season ends, Louisianans start pining for the berries that come from the Hammond and Independence areas, not far from where I used to go with my family on a post-Thanksgiving retreat called the “Gathering of the Greens.” We’d pick pine needles and boughs to make holiday wreaths and all gather around long picnic tables to shell (and eat) pecans that would inevitably turn into pecan pie. In any case, Hammond and Independence are only about 1½ hours north of New Orleans, making the route from farm to market a short one, meaning the berries get picked at their pinnacle of perfection and trucked down to the city so berry lovers can get them while the gettin’s good.

Yield: Makes five 8-ounce jars


  • 1¼ pounds blueberries
  • 3 cups sugar
  • Zest of 1 lemon
  • 1½ teaspoons pectin


Place a small ceramic or glass plate in the freezer. Place the blueberries in a large bowl and mash with 2¾ cups of the sugar and the lemon zest. Transfer the mixture to a medium saucepan and cook over medium heat until the juices simmer, 3 to 4 minutes, stirring often.

Meanwhile, mix the pectin with the remaining ¼ cup of sugar. Add the pectin mixture to the blueberries and continue to cook until the mixture reaches 220°F to 222°F, another 30 to 35 minutes (note that the jam will stay at around 217°F for what seems like an eternity-be patient, the temperature will rise, so stick with it), skimming the foam from the top and stirring every so often. Take the plate out of the freezer and spoon a small dollop of jam onto it. The jam should set up semi-stiff, and when you run your finger through it, the trail should not run back together immediately. If it does, keep cooking. If it doesn’t, turn off the heat and let the jam sit for 10 minutes. (This helps ensure that your berries don’t float to the top of the jam jar.)

Fill a large stockpot or canning pot with water and bring to a boil. Add the jars, lids, and bands, and simmer for 5 minutes. Use tongs to remove the jars, bands, and lids to a clean kitchen towel. Once cool enough to handle (but still warm) fill the jars nearly full with blueberry jam, leaving a ½-inch space at the top. Screw the lids on.

Add more water to the pot if necessary and bring to a boil. Place a canning rack in the pot and set the filled jars into the rack. Boil the jars for 10 minutes (the filled jars should be completely covered by the boiling water). Using tongs, remove the jars and place on the kitchen towel. If refrigerating, be sure to cool the filled jars for at least a few hours first. Unopened, the jam will keep in a cool, dark place for a few months. After opening, try to eat the jam within a week or two (not that it will last that long!).


While you don’t have to skim your jam, it does make for a beautifully clear suspension. I think it’s worth the effort.

© 2009 David Guas

Note from Cookstr's Editors

Nutritional information is based on 40 servings, 8 per jar.


Nutritional Information

Nutrients per serving (% daily value)

66kcal (3%)
0mg (0%)
0g (0%)
0g (0%)
0mg (0%)
0mcg RAE (0%)
1mg (2%)
1mg (0%)
0mg (0%)

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