Crockpot Berry Jam

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This berry jam is a delicious combination of strawberries and raspberries that’s ready in a few hours. Enjoy it with toast, pastries, and more!

titled collage for crockpot jam recipe

Crockpot jam is especially convenient during the summer months when standing over a hot stove isn’t ideal.

While it does come out a bit thinner than stovetop versions, it still gels and has a thicker consistency than standard freezer varieties.

I have a plain strawberry version that you can try. It is cooked on the stovetop, but all you need to make it is regular sugar instead of pectin.

Or, add some heat with fresh habanero peppers and spread it on dishes both savory and sweet!

How To Make Homemade Berry Jam

Rinse all of the berries in cool water and remove all of the leaves. This recipe works best when the fruit pieces are as small as possible, so chop up the strawberries and mash them before adding them to your slow cooker.

Add in the raspberries, sugar, and pectin. Cook on High for 2 to 3 hours, stirring every 30 minutes or so to ensure that the sugars are fully and evenly dissolved.

Once it’s done, transfer to sterilized jars and process based on storage preference.

crockpot berry jam recipe ingredients in bowls on counter

Tips and Tricks

  • Measure correctly. Regular pectin requires just the right amount of sugar to gel properly, so it’s important not to eyeball the fruit. If you need a low sugar recipe, use pectin that is labeled “reduced sugar.”
  • Leave space in your jars. It’s important to leave about ¼-inch of headspace when filling each jar to allow for the mixed berry jam to expand, either during processing or when frozen.
  • Check your lids! They have to be properly sealed and secured before storing or all of it will spoil. Any jars that aren’t fully sealed need to be kept in the refrigerator, not on the shelf.
  • Storage: Crockpot jam will keep in the refrigerator for up to 3 weeks and on the shelf for up to 1 year. If the jars are not processed in a water bath, store them in the freezer for up to 3 months instead.
pectin and sugar and fresh berries in slow cooker

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mixed berry jam on a ladle in a slow cooker

FAQ – Common Recipe Questions

Why isn’t crockpot jam very thick?

The ideal temperature for sugars and pectin to bind together is 220°F. While slow cookers may vary, my batches never reached this temperature even after testing one for 6-8 hours.

After so much time, the sugars start to caramelize and the berry jam starts to turn brown. Not only is it unpleasant to look at, but it doesn’t taste very good either!

For best results, cook for 2-3 hours while stirring regularly – this helps distribute the sugar and ensures that it dissolves completely.

berry jam spread on a croissant

How do I make this mixed berry jam shelf stable?

You will need to follow the proper water bath canning instructions given for your jars. You can find helpful information here if you are new to the process.

Enjoy!

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MORE SWEET CROCKPOT RECIPES

Crockpot Spiced Apple Butter

Best Ever Crockpot Cheesecake

Crockpot Peach Cobbler

Crockpot Caramel Sauce

Crockpot Cinnamon Roasted Almonds

mixed berry jam on a spoon in a jar

Crockpot Berry Jam

Donna Elick
This berry jam is a delicious combination of strawberries and raspberries that’s ready in a few hours. Enjoy it with toast, pastries, and more!
Tried this recipe?Please comment and review!
Prep Time 15 mins
Cook Time 3 mins
Total Time 1 d 18 mins
Course Condiment
Cuisine American
Method Slow Cooker
Servings 24 ounces

Ingredients
 

  • 2 cups crushed fresh strawberries
  • 2 cups raspberries, whole is fine
  • 5 cups granulated sugar
  • 4 1/2 tablespoons classic pectin

Instructions
 

  • Prepare mason jars and lids by washing and sterilizing in boiling water or running through the sterilization cycle on the dishwasher.
  • Prepare the strawberries and raspberries. Rinse with cool water. Slice strawberries into halves or quarters and then crush them with a potato masher. Crockpot jam cooks best the smaller the pieces are broken down beforehand.
  • Add sugar, pectin, strawberries and raspberries to the crockpot.
  • Set the crockpot on high and cook for 2-3 hours, stirring every 30 minutes.
  • When the sugar is completely dissolved throughout the entire mixture, the jam is done. ● Ladle jam into prepared jars, secure lids, and leave the jars to set for 24 hours before storing in the freezer.
  • If, instead of storing in the freezer, you’d like to process the jars in a boiling water bath, they can be stored on the shelf for up to 1 year.

Nutrition

Serving: 1 | Calories: 175cal | Carbohydrates: 45g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 6mg | Sugar: 42g | Fiber: 1g | Calcium: 3mg | Iron: 1mg

All nutritional information is based on third party calculations and is only an estimate. Each recipe’s nutritional value will vary depending on the ingredients used, measuring methods, and portion sizes.

Tried this recipe?Let us know how it was!
titled collage for crockpot berry jam

Originally published August 2021

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