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Strawberry Jam – Certo Liquid Pectin

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This delicious sugar free strawberry jam recipe is THM friendly and uses a combination of Certo Liquid Pectin and beef gelatin for a nice jammy consistency. THM Fuel Pull, low carb

I based this recipe off of some of Rashida’s recipes using liquid pectin in Trim Healthy Future but made my own tweaks to adjust it to my taste.

I don’t recommend making more than a double batch at a time.

This is a freezer jam.


  • 2 1/2 cups (570g) strawberry puree
  • 1/2 teaspoon citric acid
  • 1/4 teaspoon salt




Bring the strawberry puree, citric acid, and salt to a boil over medium high heat in a wide shallow saucepan. (I recommend covering with a lid to prevent splattering.)

Whisk in the liquid pectin and beef gelatin. Turn the heat to medium low and simmer for 5 minutes, whisking occasionally.

Remove from the heat and whisk in the sweetener. Taste and add more if desired.

Pour the jam into freezer containers and let cool on the counter before popping them into the freezer.


Knox gelatin vs beef gelatin: In my experience beef gelatin does not set quite as firm as Knox gelatin (available in most grocery stores), so if using Knox gelatin you may want to try more like 2 1/2 teaspoons of gelatin instead of a full tablespoon. I recommend making a small test batch of jam to check the consistency.

You can find Certo Liquid Pectin at Walmart.

Check out the blog post above for answers to sugar free jam FAQs.

  • Prep Time: 15 mins
  • Cook Time: 10 mins
  • Category: Condiments
  • Method: Freezing
  • Cuisine: THM Fuel Pull, low carb, sugar free