Mary berry blackberry jam

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Mary berry blackberry jam

Mary berry blackberry jam recipe is a classic and delicious way to preserve the sweet taste of blackberries. This recipe is simple to follow and produces a wonderful homemade jam that can be enjoyed on toast, scones, or as a filling in cakes and pastries. Let me know if you’d like to know more about this recipe!

Mary berry blackberry jam

Why people also love Mary berry blackberry jam

People love Mary Berry’s blackberry jam recipe for its simplicity, reliability, and outstanding flavor. Mary Berry is known for her expertise in baking and preserving, and her recipes are often considered foolproof. The blackberry jam recipe is no exception – it uses fresh, seasonal blackberries and just a few basic ingredients to create a sweet and tangy jam that captures the essence of the berries. The homemade jam has a rich, fruity flavor that is perfect for spreading on bread or incorporating into various baked goods. Additionally, making jam using Mary Berry’s recipe allows people to enjoy the satisfaction of creating a delicious homemade product that can be enjoyed for months to come.


  • 2 pounds of fresh blackberries
  • 2 pounds of granulated sugar


  1. Wash the blackberries and place them in a large, heavy-bottomed saucepan.
  2. Crush the blackberries with a potato masher to release their juices.
  3. Add the sugar to the pan and stir well to combine.
  4. After this,Place the pan over low heat and stir until the sugar has dissolved.
  5. Increase the heat to bring the mixture to a rolling boil. Boil for about 10-15 minutes, stirring occasionally and skimming off any foam that rises to the surface.
  6. To test if the jam is ready, spoon a small amount onto a chilled saucer. If it sets and wrinkles when pushed with your finger, it’s ready.
  7. Once the jam reaches the desired consistency, remove the pan from the heat.
  8. Ladle the hot jam into sterilized jars, leaving a small gap at the top to allow for sealing.
  9. Seal the jars with sterilized lids and allow them to cool completely before storing in a cool, dark place.

Quick Facts

  • Preparation time: Approximately 10-15 minutes
  • Cooking time: Around 30-40 minutes
  • Serves: Makes about 3-4 jars of jam, depending on the size of the jars.
  • Main ingredients: Fresh blackberries, sugar, lemon juice (optional pectin for setting if needed).
  • Nutritional information: Blackberry jam is typically high in natural sugars and calories due to the sugar content used in preserving the fruit. It is also a good source of antioxidants and fiber from the blackberries.
  • Serving suggestions: Spread this delectable blackberry jam on toast, scones, or even use it as a topping for pancakes or yogurt. It can also be used as a filling for cakes, pastries, or swirled into oatmeal or porridge for a fruity kick.

Variations and substitutions

  • Variations: You can add a hint of spice by incorporating cinnamon, ginger, or cloves for a more complex flavor profile. For a citrusy twist, try adding orange zest or a splash of orange juice. Mint leaves or a touch of vanilla extract can also enhance the taste of the blackberry jam.
  • Substitutions: If you prefer a lower-sugar option, you can use a sugar substitute suitable for jam-making or reduce the sugar quantity and add a natural sweetener like honey or maple syrup. Agar-agar or chia seeds can be used as a vegan-friendly alternative to traditional pectin for setting the jam. Additionally, you can mix in other fruits like apples or pears to complement the blackberries or even try a blend of berries for a mixed berry jam variation.

Recommendation and Notice for Mary berry blackberry jam

  • Recommendation: Ensure you use ripe, juicy blackberries for the best flavor in your jam. Taste your blackberries before cooking to adjust the sugar level to suit their natural sweetness. Remember to sterilize your jam jars properly before filling them to extend the shelf life of your homemade jam.
  • Notice: Be cautious when working with hot jam during the cooking process to avoid burns. Use a deep, heavy-bottomed pan to prevent the jam from sticking and burning. Keep an eye on the jam as it cooks and stir frequently to prevent scorching. Always check the consistency of the jam by using a cold plate or thermometer to achieve the desired set before removing it from the heat. Remember to follow proper canning procedures if you plan to store the jam for an extended period at room temperature.

People also ask questions and answers

  • Q: How long does Mary Berry’s blackberry jam last?
    • A: When stored in sterilized jars and sealed properly, Mary Berry’s blackberry jam can last for up to a year when kept in a cool, dark place. Once opened, refrigerate and consume within a few weeks.
  • Q: Can I freeze Mary Berry’s blackberry jam?
    • A: Yes, you can freeze blackberry jam. Make sure to leave some headspace in the container to allow for expansion during freezing. Thaw the jam in the refrigerator before using.
  • Q: What can I use blackberry jam for, besides spreading on toast?
    • A: Blackberry jam can be used in various ways. You can swirl it into yogurt, use it as a topping for ice cream, incorporate it into marinades or sauces for meats, or even mix it into cocktails or mocktails for a fruity twist.
  • Q: Can I adjust the sweetness of Mary Berry’s blackberry jam?
    • A: Yes, you can adjust the sweetness of the jam to suit your taste preferences. Taste your blackberries before cooking to determine their sweetness level and adjust the sugar quantity accordingly. You can also experiment with natural sweeteners like honey or maple syrup as substitutes for sugar.


Mary Berry’s blackberry jam recipe is a delightful way to capture the flavor of fresh blackberries at their best. This simple recipe yields a delicious jam that can be enjoyed on toast, scones, or as a filling in cakes and pastries. With just two main ingredients and easy-to-follow instructions, this recipe is perfect for both beginners and experienced jam makers. Making your own blackberry jam allows you to enjoy the sweet taste of summer all year round.

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