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No Fail, Super Easy Strawberry Freezer Jam

2022 Food Box #5 - Strawberry Freezer Jam

May 8, 2022


  • 4 cups granulated white sugar

  • 1 quart fresh strawberries - see exact measurement below

  • 3 ounces liquid fruit pectin I use one pouch. of Certo, available at most supermarkets. One pouch is 3 oz or 88ml.

  • 2 tablespoons fresh lemon juice

Prep Time: 35 minutes


  1. Wash and rinse glass jars (or plastic containers) and lids in the dishwasher or with hot soapy water. Dry thoroughly.

  2. Stem and crush strawberries. Don't try to use a blender or food processor for this step as you want some small pieces of strawberry to remain. (I like to use a potato masher).

  3. Measure exactly 2 cups of the prepared fruit into a large microwave-safe bowl. Add the 4 cups of sugar and stir well for 1 minute.

  4. Place the bowl in the microwave on high power for 3 minutes. (Mixture will not cook but will become warm enough for the sugar to dissolve). Remove from microwave and stir well for another minute.

  5. Allow the strawberry mixture to sit for 2 hours, giving it a good stir about every 30 minutes. Take a taste to make sure the sugar is dissolved. If it still has a bit of a grainy texture, stir for another minute or two until the sugar is well dissolved.(When the sugar is well-dissolved the mixture will actually deepen in color and lose its "cloudiness". That's when you're ready for the next step.)

  6. Combine the liquid pectin and lemon juice in a small bowl. Add to strawberry mixture; stir for 3 minutes (no cheating, set a timer).

  7. Fill containers to within ½ inch of the top. Don't fill any higher as the mixture will expand a bit in the freezer.

  8. Wipe off the top edges of containers and cover with lids. Let stand at room temperature for 24 hours.

  9. Refrigerate up to 3 weeks or freeze up to 1 year. Thaw in the refrigerator.


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