The Mary Berry Damson Jam is a traditional British preserve known for its deep purple color, bold fruity flavor, and perfectly balanced sweet–tart taste. Damsons, a type of small plum, create a rich jam that is both vibrant and slightly tangy.
This jam is perfect for toast, scones, pastries, or baking fillings. It uses simple ingredients such as fresh damsons, sugar, and lemon juice, and it is prepared using the classic stovetop jam-making method. The entire process takes about 30–40 minutes, making it an easy homemade preserve that captures the flavor of seasonal fruit.
What is Mary Berry Damson Jam?
Mary Berry Damson Jam is a classic fruit preserve made by cooking damsons with sugar until thick and glossy.
Damsons have a naturally tart flavor and high pectin content, which helps the jam set easily without the need for added pectin. As the fruit cooks, the skins soften and the flesh breaks down, creating a jam with a rich texture and bold color.
The finished jam has a deep fruity flavor with a gentle tang, making it perfect for spreading or using in desserts.

Other Popular Mary Berry Jam Recipes
Why This Recipe is Worth Trying
- Rich fruity flavor – Damsons create a bold and slightly tart jam.
- Naturally thick texture – High pectin levels help the jam set easily.
- Simple ingredients – Only a few pantry staples required.
- Classic British preserve – A traditional jam loved for generations.
- Versatile use – Perfect for toast, pastries, and desserts.
- Great seasonal recipe – Ideal for using fresh damsons when they are available.
Essential Ingredients to Make Mary Berry Damson Jam
- 1 kg fresh damsons
- 750 g granulated sugar
- Juice of 1 lemon
- 150 ml water
Damsons provide natural pectin and flavor, while sugar and lemon juice help the jam set and preserve well.
Handy Kitchen Tools for Best Results
- Large heavy-bottomed saucepan
- Wooden spoon or spatula
- Potato masher (optional)
- Jam thermometer (optional)
- Sterilized glass jars
- Ladle
- Small plate for testing the set
These tools help ensure even cooking and proper jam consistency.
Step-by-Step Guide to Making Mary Berry Damson Jam
- Prepare the damsons – Wash the damsons thoroughly and remove any stems or damaged fruit.
- Cook the fruit first – Place the damsons and water in a large saucepan and cook over medium heat until the fruit softens.
- Remove the stones – As the fruit softens, remove the damson stones using a spoon.
- Mash lightly – Use a spoon or potato masher to break down the fruit and release its juices.
- Add sugar and lemon juice – Stir in the sugar and lemon juice until the sugar dissolves completely.
- Bring to a rolling boil – Increase the heat and boil the mixture rapidly for 10–15 minutes.
- Test the jam set – Drop a spoonful onto a chilled plate. If it wrinkles when pushed, the jam is ready.
- Remove foam – Skim off any foam from the surface for a smoother jam.
- Fill sterilized jars – Carefully ladle the hot jam into sterilized jars.
- Seal and cool – Close the jars tightly and allow them to cool completely.

What I Got Wrong (And How I Fixed It)
- Jam too thick – Adding a little warm water helped loosen the texture.
- Not removing stones early enough – Removing them during cooking made the process easier.
- Large fruit pieces – Mashing the fruit slightly created a smoother jam.
- Skipping the set test – The chilled plate test ensured proper consistency.
Healthier Version of Mary Berry’s Damson Jam
You can reduce the sugar slightly by using 650–700 g of sugar instead of 750 g. The jam may be slightly softer, but still delicious.
Another option is replacing part of the sugar with honey, which adds natural sweetness and depth.
You can also mix damsons with apples, which provide additional natural pectin and sweetness.
Ingredient Substitutions for Mary Berry Damson Jam
- Granulated sugar substitute — Use 750 g caster sugar or jam sugar.
- Lemon juice alternative — Replace with 2 tbsp bottled lemon juice.
- Fresh damson option — Use 1 kg frozen damsons (thawed).
- Water replacement — Use 150 ml of apple juice for additional fruit flavor.
- Texture option — Blend part of the jam for a smoother spread.
Pairing Ideas: What to Serve With Mary Berry Damson Jam
- Classic breakfast spread — Spoon over warm toast or muffins.
- Afternoon tea favorite — Spread inside freshly baked scones with cream.
- Pastry filling — Use it in jam tarts or croissants.
- Yogurt topping — Stir into plain yogurt for a fruity dessert.
- Cheese pairing — Serve with soft cheeses for a sweet contrast.
Expert Tips to Make Perfect Mary Berry Damson Jam
- Use ripe damsons — Ripe fruit produces better flavor and color.
- Cook fruit before adding sugar — This helps release natural juices.
- Stir frequently — Prevents the jam from sticking or burning.
- Use a wide saucepan — Faster evaporation helps the jam thicken.
- Test the set carefully — The wrinkle test confirms the jam is ready.
- Sterilize jars thoroughly — Clean jars extend shelf life.
- Label jars clearly — Always mark the flavor and date.
Creative Ways to Customize Mary Berry Damson Jam
- Vanilla twist — Add vanilla extract for a smooth aroma.
- Spiced variation — Add cinnamon or cloves for warmth.
- Citrus boost — Add orange zest for brighter flavor.
- Berry blend — Combine damsons with blackberries or raspberries.
- Ginger infusion — Add grated ginger for subtle spice.
Storing Mary Berry Damson Jam the Right Way
- Sealed jar storage — Store unopened jars in a cool, dark place for up to 1 year.
- Refrigeration after opening — Keep opened jam in the refrigerator for up to 4 weeks.
- Clean spoon rule — Always use a clean spoon when serving jam.
- Proper sealing — Ensure lids are tightly closed after filling.
How to Reheat Mary Berry Damson Jam (If Needed)
Damson jam is usually served at room temperature. If it thickens in the refrigerator, you can loosen it slightly.
Warm a small portion in the microwave for 5–8 seconds, then stir until smooth.
Alternatively, place the jar in a bowl of warm water for a few minutes to soften the jam.
Nutritional Breakdown (per serving)
- Calories: ~60 kcal
- Carbohydrates: ~15 g
- Fat: ~0 g
- Protein: ~0 g
- Sugar: ~14 g
- Sodium: ~2 mg
Mary Berry Damson Jam Recipe
Mary Berry Damson Jam is a classic fruit preserve made by cooking damsons with sugar until thick and glossy.
- Prep Time: 10
- Cook Time: 30
- Total Time: 40 minutes
- Yield: 4 1x
- Category: Preserve
- Method: Preserve
- Cuisine: American
Ingredients
-
1 kg fresh damsons
-
750 g granulated sugar
-
Juice of 1 lemon
-
150 ml water
Instructions
-
Prepare the damsons – Wash the damsons thoroughly and remove any stems or damaged fruit.
-
Cook the fruit first – Place the damsons and water in a large saucepan and cook over medium heat until the fruit softens.
-
Remove the stones – As the fruit softens, remove the damson stones using a spoon.
-
Mash lightly – Use a spoon or potato masher to break down the fruit and release its juices.
-
Add sugar and lemon juice – Stir in the sugar and lemon juice until the sugar dissolves completely.
-
Bring to a rolling boil – Increase the heat and boil the mixture rapidly for 10–15 minutes.
-
Test the jam set – Drop a spoonful onto a chilled plate. If it wrinkles when pushed, the jam is ready.
-
Remove foam – Skim off any foam from the surface for a smoother jam.
-
Fill sterilized jars – Carefully ladle the hot jam into sterilized jars.
-
Seal and cool – Close the jars tightly and allow them to cool completely.
Do damsons need added pectin for jam?
No. Damsons naturally contain high levels of pectin, which helps the jam set without needing commercial pectin.
How do I know when damson jam is ready?
Place a spoonful of jam on a chilled plate. If the surface wrinkles when pushed with your finger, the jam has reached the correct setting point.
Can frozen damsons be used for damson jam?
Yes. Frozen damsons work well for jam. Thaw them first and use the same measurements.
Why is my damson jam too thick?
The jam may have boiled slightly too long. Stir in a little warm water to loosen the texture.
Wrapping It Up
Mary Berry Damson Jam is a bold and flavorful preserve that highlights the natural tartness of damsons. With simple ingredients and easy steps, you can create a homemade jam that tastes vibrant and fresh.
Spread it on toast, use it in baking, or serve it with scones and cream. Once you make damson jam at home, it quickly becomes a cherished kitchen tradition.
