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Mulberry Jam: Easy Homemade Sweet & Spreadable Recipe

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Mulberry jam is a rich, sweet, and perfectly spreadable homemade preserve made with fresh mulberries, sugar, and lemon juice. This easy mulberry jam recipe delivers deep berry flavor, vibrant color, and a smooth glossy texture ideal for toast, desserts, and baking.

Ingredients

Scale
  • 4 cups fresh or frozen mulberries
  • 2 1/2 to 3 cups granulated sugar
  • 2 tablespoons fresh lemon juice
  • 1/2 teaspoon unsalted butter (optional, to reduce foam)

Instructions

  1. Rinse fresh mulberries gently and remove stems. If using frozen mulberries, use directly without thawing.
  2. Place mulberries in a large heavy-bottomed saucepan and mash gently with a potato masher to release juices.
  3. Add sugar and lemon juice. Stir well and let sit for 10–15 minutes to draw out natural juices.
  4. Place saucepan over medium heat and bring mixture to a rolling boil, stirring constantly.
  5. Continue boiling for 15–25 minutes, stirring frequently to prevent sticking or burning.
  6. Skim off any foam that forms on the surface. Add optional butter to help reduce foaming.
  7. Test for doneness using the cold plate test: place a spoonful of jam on a chilled plate, wait 30 seconds, and push gently. If it wrinkles, it is ready.
  8. Remove from heat once desired thickness is reached.
  9. Pour hot mulberry jam into sterilized jars, leaving 1/4-inch headspace if canning.
  10. Seal and allow to cool completely before storing in the refrigerator or processing in a water bath for long-term storage.

Notes

  • Mulberry jam thickens as it cools, so avoid overcooking.
  • If the jam is too thin, continue simmering and retest after a few minutes.
  • For smoother jam, blend lightly with an immersion blender before final boiling.
  • Store refrigerated jam for up to 3 weeks.
  • Properly canned mulberry jam can last up to 1 year when stored in a cool, dark place.

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