Comida Kraft
Recipe Box

CERTO® Blackberry Freezer Jam

(2) 1 Review
Prep Time
Total Time

About 5 (1-cup) containers or 80 servings, 1 Tbsp. each

What You Need

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Make It

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  • Rinse clean plastic containers and lids with boiling water. Dry thoroughly.
  • Crush blackberries thoroughly, one layer at a time. (Press half of the pulp through a sieve to remove some of the seeds, if desired.) Measure exactly 2 cups prepared fruit into large bowl. Stir in sugar. Let stand 10 min., stirring occasionally.
  • Mix pectin and lemon juice. Add to blackberry mixture; stir 3 min. or until sugar is dissolved and no longer grainy. (A few sugar crystals may remain.)
  • Fill all containers immediately to within 1/2 inch of tops. Wipe off top edges of containers; immediately cover with lids. Let stand at room temperature 24 hours. Jam is now ready to use. Store in refrigerator up to 3 weeks or freeze up to 1 year. Thaw in refrigerator.

How to Measure Precisely

To get exact level cup measure 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.


  • About 5 (1-cup) containers or 80 servings, 1 Tbsp. each

Nutritional Information

Serving Size About 5 (1-cup) containers or 80 servings, 1 Tbsp. each
Calories 40
% Daily Value
Total fat 0g
Saturated fat 0g
Cholesterol 0mg
Sodium 0mg
Carbohydrate 11g
Dietary fiber 0g
Sugars 10g
Protein 0g
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

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  • MountainRox |

    Making blackberry jam is a labor of love. When it's wild berry pick'in it's time to GO! My #1 rule is never pick a berry before it's time. It's just a waste of a soon to be good berry. I always remove 1/2 of the seeds. Another labor of love. My friends can't get enough of this wonderful jam. Their even willing to pay $5.00 per 8.0 oz jar. And with the labor that goes into this, it's worthy of every penny.

  • Pamela Buehrle |