Ultimate Blackberry Jam Recipe: Easy & Delicious

Blackberry jam is a classic preserve that brings a burst of summer to your kitchen year-round. Its rich, tangy-sweet flavour and vibrant purple hue make it a favourite in both the US and the UK. Whether you’re spreading it on your morning toast, using it as a filling for pastries, or giving it as a thoughtful gift, homemade blackberry jam surpasses store-bought varieties with its freshness and personalized touch. This Blackberry Jam Recipe will walk you through every step of making the perfect blackberry jam, ensuring you achieve a delicious, beautifully textured result.

Why This Blackberry Jam Recipe is Worth the Effort

Making blackberry jam at home offers several advantages over purchasing pre-made options:

  1. Superior Freshness: Homemade jam uses fresh or frozen blackberries without artificial preservatives or additives, providing a natural and authentic taste.
  2. Customizable Flavour: You have control over the sweetness and can add unique flavourings to tailor the jam to your taste preferences.
  3. Sense of Accomplishment: There’s a unique satisfaction in creating something from scratch, and homemade jam makes for a delightful and personal gift.

Ingredients

To make a batch of delicious blackberry jam, gather the following ingredients:

  • 4 cups fresh blackberries: For the best results, use ripe, plump blackberries. If using frozen, ensure they are thoroughly thawed and drained.
  • 4 cups granulated sugar: Essential for sweetness and helps the jam set properly.
  • 1/4 cup freshly squeezed lemon juice: Adds acidity, which helps with the gelling process and balances the sweetness.
  • 1 packet fruit pectin: This ingredient helps the jam achieve the right thickness and consistency.

Essential Equipment

Before you start with this Blackberry Jam Recipe, make sure you have the following tools and equipment:

  • Large, heavy-bottomed pot
  • Wooden spoon
  • Measuring cups and spoons
  • Potato masher (optional, but helpful)
  • Sterilised canning jars with lids
  • Canning funnel (optional but useful)
  • Ladle
  • Boiling water canner

Instruction

1. Preparing Your Ingredients

Start by washing the blackberries thoroughly under cold water. If you’re using frozen blackberries, ensure they are fully thawed and drained. Measure out your sugar and lemon juice and have your fruit pectin ready to go.

washing blackberry

2. Crushing the Blackberries

In a large pot, combine the blackberries with a splash of water. Use a potato masher to gently crush the berries, releasing their juices. Heat the mixture over medium heat until it begins to simmer, stirring occasionally. This process helps to break down the fruit and release its natural pectin, which aids in setting the jam.

crushing blackberry

3. Adding Sugar and Lemon Juice

Once the blackberries are simmering, add the granulated sugar and lemon juice. Stir constantly until the sugar is fully dissolved, creating a smooth mixture. The lemon juice not only adds a touch of tartness but also enhances the setting process.

adding lemon juice

4. Incorporating Pectin

Bring the mixture to a rolling boil, one that continues to bubble vigorously even when stirred. Add the fruit pectin and stir it in quickly and thoroughly. Boil the mixture for 1-2 minutes, or according to the pectin package instructions, until the jam reaches the desired thickness. The boiling process activates the pectin, which helps the jam set.

5. Testing the Jam’s Consistency

To test if the jam is ready, place a spoonful on a cold plate and let it sit for a minute. Run your finger through the jam; if it wrinkles and holds its shape, it’s ready. If the jam is too runny, continue boiling for another minute and test again. This step is crucial to ensure your jam has the perfect texture.

6. Filling and Sealing Jars

While the jam is still hot, ladle it into sterilised jars, leaving about 1/4 inch of space at the top. Wipe the rims of the jars with a clean cloth to remove any residue that could interfere with sealing. Place the lids on the jars and screw on the bands until fingertip-tight. This step is important to prevent any air from getting in and causing spoilage.

7. Processing the Jars

To ensure the jars are sealed properly and to extend the shelf life of your jam, process them in a boiling water bath for 5-10 minutes. This step helps to kill any bacteria and creates a vacuum seal that keeps the jam fresh. Place the jars in a boiling water canner, making sure they are covered by at least an inch of water.

8. Cooling and Storing

Remove the jars from the water bath and let them cool on a clean towel or cooling rack. As the jars cool, you should hear a “pop” sound, indicating that the lids have sealed properly. Once the jars are completely cool, check the seals by pressing down in the centre of each lid. If it doesn’t pop back, the jar isn’t sealed properly. Store the sealed jars in a cool, dark place. Properly sealed blackberry jam can last up to a year.

Expert Tips for Perfect Blackberry Jam

  1. Select the Best Blackberries: Choose ripe, plump blackberries for the best flavour. Overripe blackberries are acceptable, but avoid those that are mouldy or overly soft.
  2. Ensure Proper Sterilisation: Sterilise your jars and lids before use to avoid contamination. To sterilise, wash them in hot, soapy water and place them in a boiling water bath for 10 minutes.
  3. Adjust the Sweetness: You can adjust the amount of sugar based on the sweetness of your blackberries and your personal taste. However, reducing sugar may affect the setting of the jam, so be mindful of this.
  4. Avoid Overcooking: Overcooking can lead to a jam that is too thick or caramelised. Stick to the recommended boiling times for the pectin to avoid this issue.
  5. Experiment with Flavours: For a unique twist, consider adding a splash of vanilla extract, a dash of cinnamon, or a bit of orange zest to your blackberry jam.

Serving Suggestions

Blackberry jam is incredibly versatile and can be enjoyed in a variety of ways:

  • On Toast: Spread it on a slice of buttered toast for a classic breakfast treat.
  • In Desserts: Use it as a filling for pastries, mix it into yogurt, or swirl it into ice cream.
  • As a Gift: Homemade blackberry jam makes a thoughtful and delicious gift for friends and family.

The Versatility of Blackberry Jam

Beyond traditional uses, blackberry jam can be incorporated into numerous recipes and dishes:

  • Baking: Add it to cakes, muffins, or scones for a burst of fruit flavour.
  • Savoury Dishes: Pair it with cheese or use it as a glaze for meats like pork or chicken.
  • Cocktails: Mix it into cocktails for a fruity twist or use it as a topping for desserts like panna cotta.

Conclusion

Making your own blackberry jam with this blackberry jam recipe is a gratifying experience that results in a delicious treat perfect for spreading on toast, adding to desserts, or gifting to loved ones. This ultimate blackberry jam recipe provides a straightforward approach to creating a flavourful, well-textured jam. By following these steps, you’ll enjoy the satisfaction of making a homemade preserve that enhances your culinary repertoire. If you like the recipe don’t forget to check our Delicious Banana Pancakes Recipe.

Homemade Blackberry Jam

An easy and delicious blackberry jam recipe perfect for toast, desserts, and gifts.

Type: Preserve

Cuisine: American

Keywords: Blackberry Jam Recipe,Easy Recipe for Canning Blackberry Jam, Step-by-Step Blackberry Jam Recipe with Pectin, How to Make Homemade Blackberry Jam from Fresh Blackberries, Blackberry Jam Recipe US, Blackberry Jam Recipe UK, Fruit Jam Recipes, Blackberry Jam as a Gift, Blackberry Jam Canning Recipe, Best Blackberry Jam Recipe,Homemade Blackberry Jam,Easy Blackberry Jam Recipe,How to Make Blackberry Jam,

Recipe Yield: 4 jars

Preparation Time: PT5M

Cooking Time: PT15M

Total Time: PT20M

Recipe Ingredients:

  • 4 cups fresh blackberries
  • 2 cups granulated sugar
  • 1/4 cup lemon juice
  • 1 packet fruit pectin

Recipe Instructions:

Prepare Blackberries:

  • Wash the blackberries thoroughly, removing any stems or leaves.

Crush Blackberries:

  • In a large pot, crush the blackberries using a potato masher until they are well broken down.

Add Lemon Juice and Pectin:

  • Stir in the lemon juice and fruit pectin until fully combined with the crushed blackberries.

Cook the Mixture:

  • Bring the mixture to a boil over medium heat, stirring frequently to prevent burning.

Add Sugar:

  • Once the mixture is boiling, add the granulated sugar and stir until completely dissolved.

Boil and Test Consistency:

  • Return the mixture to a rolling boil and cook for 10 minutes. To test for doneness, place a spoonful of the jam on a cold plate and check if it wrinkles when pushed with your finger.

Prepare Jars:

  • While the jam is cooking, sterilize your jars and lids by boiling them in water for 10 minutes.

Fill and Seal Jars:

  • Pour the hot jam into the sterilized jars, leaving about 1/4 inch of headspace. Wipe the rims of the jars with a clean cloth to remove any residue. Seal the jars with lids and rings.

Editor's Rating:
5

FAQs

Can I use frozen blackberries for this jam recipe?

Yes, you can use frozen blackberries. Just make sure they are fully thawed and drained before using them in the recipe.

How do you know when blackberry jam is done?

To test if the jam has set, place a spoonful on a cold plate and let it sit for a minute. Run your finger through the jam; if it wrinkles and holds its shape, it’s ready. If not, continue boiling for another minute and test again.

How long does blackberry jam last in the fridge?

Once opened, blackberry jam can last in the refrigerator for up to 3-4 weeks. Make sure to store it in an airtight container and always use a clean utensil to avoid introducing contaminants. Properly sealed, homemade blackberry jam can be kept at room temperature for up to a year before opening.

How can I thicken my blackberry jam?

If your blackberry jam is too runny, you can thicken it by:
Boiling Longer: Return the jam to the pot and boil it for a few more minutes, stirring constantly, until it reaches the desired consistency.
Adding Pectin: If you didn’t use enough pectin initially, you can add a bit more and boil the mixture again.
Using a Thickening Agent: In some cases, you can use a thickening agent like corn-starch or agar-agar, but make sure to follow the package instructions for proper usage.

What is blackberry jam good for?

Blackberry jam is incredibly versatile and can be used in a variety of ways:
On Toast: Spread it on buttered toast for a classic breakfast or snack.
In Desserts: Use it as a filling for pastries, tarts, and cakes, or swirl it into yogurt or ice cream.
As a Glaze: Brush it over meats like pork or chicken for a fruity glaze.
In Baking: Incorporate it into muffins, scones, or cakes for added flavour.
Gifting: Homemade blackberry jam makes a thoughtful and delicious gift for friends and family.

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