bowl of strawberries on a kitchen towel on a white table

Strawberry Jam – Unsweetened, Stevia Concentrate, or Very Lightly Sweetened

 

This Strawberry Jam is a cooked jam that is made with no sweetener at all, stevia concentrate, or other very concentrated sweetener, or a very small amount of sugar or honey or other sweeteners that measure like sugar or honey and Pomona’s Universal Pectin. Pomona’s Pectin contains no sugar or preservatives.

Notes

Option: To sweeten with Stevia concentrate or a small amount of any other sweetener, add sweetener to taste in Step 5 before removing from the heat. Cook and stir for 1 additional minute after adding sweetener. Jam made with no sweetener may be kind of tart and rather bland. Sweetener, whichever one you like, helps to bring out the flavor of the fruit.
Servings 5 cups

Ingredients

  • 4 cups mashed strawberries
  • 2 teaspoons calcium water see step #1
  • ¾ cup water or unsweetened juice
  • 2 teaspoons Pomona’s Pectin

Instructions

  • Before you begin, prepare calcium water.
    To do this, combine ½ teaspoon calcium powder (in the small packet in your box of Pomona’s pectin) with ½ cup water in a small, clear jar with a lid. Shake well.
    Extra calcium water should be stored in the refrigerator for future use.
  • Wash jars, lids, and bands. Place jars in canner, fill canner 2/3 full with water, bring to a boil. Turn off heat, cover, and keep jars in hot canner water until ready to use. Place lids in water in a small sauce pan; cover and heat to a low boil. Turn off heat and keep lids in hot water until ready to use.
  • Wash, hull, and mash strawberries. Measure mashed strawberries into sauce pan.
  • Add calcium water and mix well.
  • Bring water or unsweetened juice to a boil in a separate sauce pan. Put boiling water or unsweetened juice in cup for immersion blender, or in food processor, or in blender. Add pectin. It is very important to vent the lid (if there is one) to let steam out. Don’t use an enclosed blender that can’t be vented. Blend for 10 seconds, then stop and scrape down the sides so all pectin clumps are in or on the liquid. Then blend for a full minute until all powder is totally dissolved.
  • Bring fruit mixture to a full boil. Add pectin-water or pectin-juice. Stir for 1 minute while mixture returns to a full boil. Remove from the heat.
  • Fill hot jars to ¼” of top. Wipe rims clean. Screw on 2-piece lids. Put filled jars in boiling water to cover. Boil 10 minutes (add 1 minute more for every 1,000 ft. above sea level). Remove from water. Let jars cool. Check seals; lids should be sucked down. Eat within 1 year. Lasts 3 weeks once opened.

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