Jamie Oliver’s plum jam recipe is a simple yet delicious way to capture the sweet and tangy flavors of ripe plums. This homemade preserve works beautifully because it balances the natural tartness of plums with just enough sugar and a hint of lemon to brighten the flavor, making it perfect for spreading on toast or adding to desserts.
Ingredients
- 1 kg ripe plums (about 2.2 lbs), pitted and halved
- 700 g granulated sugar (about 3 1/2 cups)
- 1 lemon, juiced and zested
- 100 ml water (about 1/3 cup)
Instructions
- Wash the plums thoroughly, then remove the pits and cut the fruit into halves or quarters depending on size.
- Place the plums in a large, heavy-bottomed saucepan along with the sugar, lemon juice, lemon zest, and water.
- Stir the mixture gently and leave it to macerate for about 30 minutes. This helps the sugar dissolve and draws out the plum juices.
- Put the pan over medium heat and bring the mixture to a gentle boil, stirring frequently to prevent sticking or burning.
- Reduce the heat and simmer the jam gently for 25-35 minutes. Stir occasionally, mashing some of the fruit with the back of a spoon to release pectin and thicken the jam.
- To test if the jam is ready, place a small spoonful on a chilled plate and tilt it. If it wrinkles and holds its shape, it’s done. If not, cook for a few more minutes and test again.
- Once ready, remove the pan from heat and skim off any foam from the surface for a clearer jam.
- Sterilize your jars by boiling them in water for 10 minutes or running them through a hot dishwasher cycle.
- Pour the hot jam into the sterilized jars, leaving about 1 cm (1/2 inch) headspace. Seal immediately with lids.
- Leave the jars to cool at room temperature, then store in a cool, dark place.
Tips
- Substitution: If you prefer a less sweet jam, reduce sugar to 500 g, but note this may affect preservation and set.
- Texture preference: For a chunkier jam, mash less during cooking. For smoother jam, use a hand blender briefly before testing the set.
- Common mistake: Don’t rush the boiling process; too high heat can burn the fruit and cause bitterness.
- Using pectin: Jamie Oliver’s recipe relies on natural pectin from plums and lemon; adding commercial pectin is optional but can speed up setting.
Serving Suggestions
This plum jam is fantastic spread on warm toast or fresh scones for breakfast or tea time. It also pairs beautifully with creamy cheeses like Brie or goat cheese on a charcuterie board. For a simple dessert, swirl it into yogurt or spoon it over vanilla ice cream. Additionally, use it as a filling for cakes, tarts, or thumbprint cookies to add a homemade touch.
Variations
You can customize this plum jam recipe by adding warming spices such as cinnamon sticks or star anise during cooking, removing them before bottling. Another variation is mixing in fresh ginger for a zesty kick. For a boozy twist, stir in a splash of brandy or red wine after cooking. Alternatively, combine plums with other stone fruits like cherries or apricots for a mixed fruit preserve.
Storage and Reheating
Properly sterilized and sealed, plum jam can be stored unopened in a cool, dark place for up to 12 months. Once opened, keep refrigerated and consume within 3-4 weeks for best flavor and safety. If the jam crystallizes or thickens too much in the fridge, gently warm it in a saucepan over low heat or microwave briefly, stirring until smooth again.
Frequently Asked Questions
Can I use frozen plums for this jam?
Yes, frozen plums can be used, but thaw them fully and drain excess liquid before cooking. The texture might be slightly softer, but the jam will still set well.
How do I know when the jam has set properly?
The classic test is the wrinkle test: place a small amount of hot jam on a chilled plate, tilt it after a minute or so. If it wrinkles and doesn’t run, it’s set. Alternatively, you can use a candy thermometer; jam sets between 104-105°C (219-221°F).
Is it necessary to sterilize jars?
Yes, sterilizing jars prevents contamination and spoilage, ensuring your jam lasts longer. You can sterilize by boiling jars for 10 minutes or using a hot dishwasher cycle without detergent.
Can I reduce the sugar in this recipe?
Reducing sugar is possible but affects preservation and texture. Less sugar means the jam may be softer and have a shorter shelf life, so store it in the fridge and consume sooner.
What if my jam doesn’t set?
If your jam remains runny after cooling, you can return it to the heat and boil a little longer. Alternatively, stir in commercial pectin following the package instructions to help it set.
Can I add other flavors to the jam?
Absolutely! Adding spices like cinnamon, vanilla, or ginger during cooking can enhance the flavor. Just remember to remove any whole spices before bottling.
Jamie Oliver’s plum jam recipe is a wonderfully straightforward way to enjoy seasonal fruit at its best. With a few simple ingredients and some patience, you’ll have vibrant, homemade jam perfect for many uses, from breakfast spreads to creative desserts. Happy jam making!
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