Ashleigh Smith + photo

Ashleigh Smith

May 16
3 min read
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jars of berry freezer jam
Written By Lara Wadsworth

There is no need to be intimidated by avid jam-makers, you can fit right in! Did you know that freezer jam requires less sugar, is ready in far less time, and is extremely delicious? This recipe may be adapted to make other variations of this delicious mixed berry version. Although pectin-using recipes are a bit more scientific than an easy Chia Seed Jam recipe, it provides a sweeter flavor and a classic jam texture.

Jam Ingredients:

  • 1 Quart (4 cups) fresh mixed berries - I used an equal mix of strawberries, blackberries, raspberries, and blueberries.
  • 1 package of SureJell Premium Fruit Pectin 1.75oz (not all pectin brands are interchangeable, always check directions if using an alternate brand)
  • 5 cups of granulated sugar
  • ¾ cup water


  • Cleaned and sterilized containers - totaling 6 cups
  • Large bowl
  • Small Saucepan
  • Immersion Blender or another mashing device
  • Whisk
  • Stirring Spoon

Cooking Instructions:

Step 1 - Thoroughly wash and prepare your fruit. If using store-bought berries, be extra diligent with cleaning. A great way to get rid of pesticide residue is to let them sit in a solution of water and 1-2 tablespoons of baking soda for 10 minutes. Follow with a thorough rinse of water. Using fresh home-grown fruit is always preferred but be sure to wash them all the same! Cut off all strawberry tops and throw or cut out any berries that look questionable.

washing fruit

Step 2 - Mash up the berries well. This is where you can decide the exact amount of clumps you desire but I would discourage any very large fruit clumps. I used an immersion blender to make quick work of it. However, a potato masher, mortar and pestle, or a wooden spoon can all be just as effective.

mash and blend berries

Step 3 - Mix in the sugar with the mashed berries and let sit for 10 minutes. Stir occasionally to dissolve the sugar.

sugar and berries

Step 4 - Halfway through the 10 minutes, combine the pectin in a small saucepan with ¾ cup of water. Whisk vigorously. Bring to a boil and simmer for 1 minute, stirring constantly. Remove from heat.

prepare pectin

Step 5 - Add the pectin solution to the berry and sugar solution. Stir until fully combined.

combine pectin and berries

Step 6 - Immediately add the mixture to your clean and dry storage containers. Be sure to leave space at the top of the containers for expansion. Label your containers with the type of jam and date.

berry freezer jam

Step 7 - Let sit on the counter at room temperature for 24 hours. Refrigerate for up to 3 weeks or freeze for up to 1 year. Let thaw in the fridge overnight before eating any frozen product.

jars of freezer jam


This incredibly easy and delicious mixed berry freezer jam recipe is delightfully sweet and easy! It is the perfect way to use up a surplus of berries. Give the extra product as gifts to friends and family or keep it for yourself to enjoy all year long.

Author Bio

Lara Wadsworth, True Leaf Market Writer

I am a native of Southwestern Michigan, where I also reside, and I love all things plants! I got a Bachelor's Degree in Horticulture and found the first work-from-home job I could get. Now, I spend my days writing for TLM, playing with my dog, eating delicious food with my husband, and plotting my next landscape or gardening move. I believe everyone should get down and dirty in the soil now and then. Happy Gardening!

Become a True Leaf Market Brand Ambassador! You’ll enjoy awesome perks, free products and exclusive swag & offers! Help us create a gardening revolution and help others experience the joy of growing!

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