Mary Berry Blackberry Jam Recipe

Easy To Make Mary Berry Blackberry Jam Recipe

Mary Berry Blackberry Jam Recipe

Having some blackberry jam with fruit or yogurt can help you enjoy a healthy breakfast. The best part is that jams are easy to make at home due to the low cost of ingredients and hassle-free preparation method.

This is why you may be thinking of making Mary Berry blackberry jam. If so, you’re in the right place. Here is an easy recipe that will allow you to make this item in no time.

Mary Berry Blackberry Jam Recipe Overview

Making the Mary Berry blackberry jam does not require you to make much effort. The following recipe has a preparation time of 20 minutes, which also involves overnight soaking. Meanwhile, the actual cooking time is 40 minutes.

So you can make your Mary Berry blackberry jam within one hour. The best part is that the serving size will allow you to fill at least 9 jars. The total yield you will get is around 2.5 liters.

You can store the rest of the jars for later use or send them to your loved ones.



2.5 Liters

Prep Time

20 minutes

Cooking Time

40 minutes

Calories Per Serving


Mary Berry blackberry jam has the following nutritional value per Serving:

Nutrition Facts

  • Amount Per ServingCalories44
  • % Daily Value *
  • Total Fat 0g 0%
    • Saturated Fat 0g 0%
  • Cholesterol 0mg 0%
  • Sodium 0mg 0%
  • Total Carbohydrate 12g 4%
    • Dietary Fiber 0g 0%
    • Sugars 12g
  • Protein 0g 0%

    * The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.


    • 1.8 kg jam sugar with added pectin
    • 2.2 kg blackberries
    • Juice of 1.5 lemon
    • Pips of 1.5 lemon
    • Small piece of butter (optional)


    1. You must layer the jam sugar, and blackberries one night before making the actual dish. Add them to a large bowl for layering, cover the utensil and leave it in the kitchen at room temperature for overnight soaking
    2. Give the items in the bowl a stir in the morning and keep it aside until you are starting the cooking process
    3. Keep a small cup in the freezer before cooking
    4. Bring out a large wide pan on your kitchen counter and add layered berries. Be sure to remove all the juices and undissolved sugar from the bowl
    5. Add the lemon juice to the pan, then strain the pips before adding them to the pan
    6. Start the stove on low heat and keep the pan on it
    7. Let all the sugars dissolve in the pan, then increase the heat to bring the ingredients to a boil
    8. Simmer for five minutes before turning off the heat, and add a spoon of the hot jam into the cold cup that you kept in the freezer
    9. Check if the syrup wrinkles after cooling in the saucer. If it does only a little, the item is at its setting point
    10. If excess wrinkling occurs, return the jam to the pan and cook for another two to three minutes
    11. Skim off the excess scum, add the butter, and stir it
    12. Leave the jam for 15 minutes at room temperature before adding it to jars

    Also Try: Delicious Plum Jam Recipe Mary Berry For Light Snacking

    Frequently Asked Questions

    Here are the answers to the frequently asked questions about mary berry blackberry jam:

    How Long Can You Store The Jam For?

    The best part about this jam is that you can store it for at least six months in the refrigerator. So you can make the item in bulk if people at your home love having a jam in the breakfast or as a midnight snack.

    You can also store the jam by keeping it in a cool dark place if the container is unopened. Meanwhile, you should refrigerate the jar after opening it.

    Why Do You Need To Soak The Berries Overnight?

    Soaking the berries overnight is helpful because it dissolves the sugar and prevents you from overcooking the fruit the following day. So it allows you to enjoy a better cooking experience and make the jam perfectly.

    Why Is Butter Added To The Jam?

    Adding butter to the jam is an optional step. Its main purpose is to get rid of scum remaining in a jam. It will enhance the taste of your dish and help you enjoy a better shelf life.

    Final Words

    This is the complete mary berry blackberry jam recipe. You can increase the number of berries and sugars to make more jars. The best part is that it will not take you more than one hour to cook the jam.