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5.0 from 63 votes

Easy Blackberry Freezer Jam

An easy, no-fail, super-delicious recipe for Blackberry Freezer Jam. Make it when sweet, ripe blackberries are in season and you'll be thanking yourself all year long!

Prep Time
25 mins
Cook Time
25 mins
Total Time
28 mins
Servings: 80 1 tablespoon servings
Calories: 40 kcal
Course: Condiments
Cuisine: American

Ingredients

  • 2 cups prepared fruit purchase about 2-2¼ pints fully ripe blackberries
  • 4 cups sugar
  • 3 ounces Certo liquid pectin (one pouch) (there are two pouches in a box, you just need one)
  • 2 tablespoons fresh lemon juice

Instructions

    Cup of Yum
  1. Wash jars with hot water or run through the dishwasher and dry. Set aside. Measure the sugar into a medium-size bowl by scooping it up and leveling the top with a flat-sided knife. Set aside.
  2. Crush blackberries with a potato masher until no large pieces remain. If you prefer fewer seeds in your jam, press half of the crushed mixture through a fine sieve, pressing with the back of a large spoon until most of the juice has been extracted. Combine the juice with the crushed fruit.
  3. Measure EXACTLY 2 cups of prepared fruit into a large microwave-safe bowl. Add the sugar and stir well to combine.
  4. Place the blackberry mixture in the microwave on high power for 3 minutes, stirring well halfway through and at the end. Take a small taste of the jam after stirring. If there are still sugar crystals give it another 2-3 minute stint in the microwave.
  5. Combine the pectin and lemon juice in a small bowl and stir well to combine. Add the pectin mixture to the jam. Set a timer and stir for 3 minutes, continuously.
  6. Fill prepared containers to within ½ inch of the tops. Wipe off top edges of containers and cover with lids. Let the jam stand at room temperature for 24 hours to complete the set. Jam is now ready to use.
  7. Store in refrigerator for up to 3 weeks or freeze it for up to 1 year. Thaw in the refrigerator before using.

Notes

  • See Café tips above in the post for more detailed instructions and tips to ensure success.

Nutrition Information

Calories 40kcal (2%) Carbohydrates 10g (3%) Protein 1g (2%) Fat 1g (2%) Saturated Fat 1g (5%) Polyunsaturated Fat 1g Monounsaturated Fat 1g Sodium 1mg (0%) Potassium 5mg (0%) Fiber 1g (4%) Sugar 10g (20%) Vitamin A 1IU (0%) Vitamin C 1mg (1%) Calcium 1mg (0%) Iron 1mg (6%)

Nutrition Facts

Serving: 801 tablespoon servings

Amount Per Serving

Calories 40

% Daily Value*

Calories 40kcal 2%
Carbohydrates 10g 3%
Protein 1g 2%
Fat 1g 2%
Saturated Fat 1g 5%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 1g 5%
Sodium 1mg 0%
Potassium 5mg 0%
Fiber 1g 4%
Sugar 10g 20%
Vitamin A 1IU 0%
Vitamin C 1mg 1%
Calcium 1mg 0%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.