Comida Kraft
Recipe Box

CERTO® Blueberry Jam

CERTO® Blueberry Jam is rated 4.625 out of 5 by 8.
Prep Time
45
min.
Total Time
45
min.
Servings

About 9 (1-cup) jars or 144 servings, 1 Tbsp. each

Think blueberry pie in a canning jar, and you're not far from this intensely fruity jam. Bonus: You'll be done in 45 minutes!

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What You Need

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Make It

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  • Bring boiling-water canner, half full with water, to simmer. Wash jars and screw bands in hot soapy water; rinse with warm water. Pour boiling water over flat lids in saucepan off the heat. Let stand in hot water until ready to use. Drain well before filling.
  • Stem and crush blueberries thoroughly, one layer at a time. Measure exactly 4-1/2 cups prepared blueberries into 6- or 8-qt. saucepot. Stir in lemon juice.
  • Stir sugar into prepared blueberries in saucepot. Add butter to reduce foaming. Bring to full rolling boil (a boil that doesn't stop bubbling when stirred) on high heat, stirring constantly. Stir in pectin. Return to full rolling boil and boil exactly 1 min., stirring constantly. Remove from heat. Skim off any foam with metal spoon.
  • Ladle immediately into prepared jars, filling to within 1/4 inch of tops. Wipe jar rims and threads. Cover with two-piece lids. Screw bands tightly. Place jars on elevated rack in canner. Lower rack into canner. (Water must cover jars by 1 to 2 inches. Add boiling water, if necessary.) Cover; bring water to gentle boil. Process 10 min. Remove jars and place upright on towel to cool completely. After jars cool, check seals by pressing middles of lids with finger. (If lids spring back, lids are not sealed and refrigeration is necessary.)

How to Measure Precisely

To get exact level cup measures of sugar, spoon sugar into dry metal or plastic measuring cup, then level by scraping excess sugar from top of cup with a straight-edged knife.

Altitude Chart

At altitudes above 1,000 feet, increase processing time as indicated: 1,001 to 3,000 feet-increase processing time by 5 min.; 3,001 to 6,000 feet-increase processing time by 10 min.; 6,001 to 8,000 feet-increase processing time by 15 min.; 8,001 to 10,000 feet-increase processing time by 20 min.

Servings

  • About 9 (1-cup) jars or 144 servings, 1 Tbsp. each

Nutritional Information

Serving Size About 9 (1-cup) jars or 144 servings, 1 Tbsp. each
AMOUNT PER SERVING
Calories 40
Total fat 0g
Saturated fat 0g
Cholesterol 0mg
Sodium 0mg
Carbohydrate 11g
Dietary fiber 0g
Sugars 10g
Protein 0g
% Daily Value
Vitamin A 0 %DV
Vitamin C 0 %DV
Calcium 0 %DV
Iron 0 %DV

* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.

Ratings & Reviews

Rated 5 out of 5 by from My husband brings home wild blueberries from Canada every year, I have been experimenting with... My husband brings home wild blueberries from Canada every year, I have been experimenting with different blueberry recipes and this year decided to try jam. I used this recipe and it is the best ever! I think I have a new favorite jam! I have coworkers asking to buy it from me!
Date published: 2013-10-30
Rated 4 out of 5 by from Quick and easy jam recipe. Quick and easy jam recipe. Great on toast or english muffins with butter, but peanut butter tends to take an edge off the blueberry flavor and leave it mostly just sweet tasting. All in all a good jam recipe.
Date published: 2003-08-18
Rated 3 out of 5 by from I will make this again but with a few changes. I will make this again but with a few changes. It turned out pretty lumpy and with little flavor. Next time, I will use frozen berries instead of fresh and I'll mash half of the berries through a sieve. It might require more berries, but at least I won't be prying the skins out of my teeth...might even wake the flavor up a tad, too!
Date published: 2006-09-07
Rated 5 out of 5 by from Delicious and Easy. Delicious and Easy. I got rave reviews on it from family and friends. I put the blueberries in a food processor instead of mashing them by hand. Much easier, and makes smaller chunks in the jam.
Date published: 2005-11-07
Rated 5 out of 5 by from excellent flavor with this jam, and very different. excellent flavor with this jam, and very different. it's now one of our favorites. i'll be making this every year.
Date published: 2005-09-25
Rated 5 out of 5 by from First time using the liquid! Great recipe and great product! My blueberry jam is wonderful!
Date published: 2016-07-18
  • 2016-09-30T10:44CST
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