How to Make Blackberry Jam - A Step-by-Step Guide

Blackberry jam is a classic fruit preserve that is beloved for its sweet and tart flavors. Made from ripe blackberries, sugar, and sometimes pectin or lemon juice, blackberry jam is a versatile spread that can be enjoyed on toast, biscuits, scones, and more. This timeless recipe has been passed down for generations and is a staple in many households.

One of the best things about blackberry jam is that it captures the essence of summer in a jar. The vibrant color and intense berry flav...

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Ingredients

  • 4 cups blackberries
  • 1 cup white sugar
  • 2 tablespoons cornstarch
  • ¼ teaspoon ground cinnamon
  • ¼ teaspoon ground allspice
  • ½ teaspoon lemon juice

Information

  • Prep Time: 10 mins
  • Cook Time: 20 mins
  • Additional Time: 30 mins
  • Total Time: 1 hr
  • Servings: 32
  • Yield: 2 cups

  • Mash blackberries in a saucepan with a potato masher. Stir in sugar until juices form. Remove 1 tablespoon blackberry juice from the saucepan; mix with cornstarch in a small bowl. Stir cornstarch mixture back into the saucepan.
  • Bring blackberries to a boil. Once boiling, cook, stirring often, until jam has thickened, about 15 minutes. Stir in cinnamon and allspice.
  • Remove from the heat and allow to cool, 30 to 45 minutes. Transfer jam to a bowl, cover, and refrigerate until chilled. Stir in lemon juice before serving.
  • Nutrition

    34 cal.

    • Total Fat: 0g
    • Saturated Fat: 0g
    • Cholesterol: 0mg
    • Sodium: 0mg
    • Total Carbohydrate: 8g
    • Dietary Fiber: 1g
    • Total Sugars: 7g
    • Protein: 0g
    • Vitamin C: 4mg
    • Calcium: 6mg
    • Iron: 0mg
    • Potassium: 30mg