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Easy Homemade Raspberry Jam Without Pectin

Close-up of a small glass jar filled with vibrant, chunky homemade raspberry jam.

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Make this simple, bright raspberry jam using just three ingredients. This recipe thickens naturally and is perfect for toast, yogurt, or gifting.

Ingredients

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  • 2 pints fresh or frozen raspberries
  • 4 cups granulated sugar
  • 1 large lemon, juiced

Instructions

  1. Prepare your jars and lids if you plan to can, or set aside freezer-safe containers.
  2. Place the raspberries in a large, heavy-bottomed pot. Cook over medium heat, stirring occasionally, until the berries break down and release their juices, about 5 to 10 minutes. You can gently mash them with a potato masher for a smoother texture.
  3. Stir in the sugar until it is completely dissolved. Bring the mixture to a full, rolling boil that cannot be stirred down.
  4. Add the fresh lemon juice. Continue to boil rapidly, stirring often to prevent sticking, until the jam reaches the setting point. This usually takes between 15 to 25 minutes after reaching a full boil.
  5. Test for the setting point: place a small spoonful of jam on a chilled plate. If it wrinkles when pushed, it is ready.
  6. Remove the pot from the heat. Skim off any foam that has formed on the surface.
  7. Ladle the hot jam into your prepared jars, leaving 1/4 inch headspace. Wipe the rims clean.
  8. Process the jars in a boiling water bath canner for 10 minutes for shelf stability, or allow the jam to cool completely before storing it in the refrigerator for up to 3 weeks or the freezer for up to 6 months.

Notes

  • For seedless raspberry jam, press the cooked berry mixture through a fine-mesh sieve before adding the sugar and lemon juice.
  • If you are making freezer jam only, you can reduce the cooking time slightly, as the jam will set further upon chilling.
  • This recipe makes a sweet and tart jam, ideal for pairing with sourdough bread or using as a dessert topping.

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