West Ealing Abundance

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blackberry & apple jam  June 5, 2009

Filed under: Apples,Blackberries,Recipes — WEN @ 10:07 pm
Tags: , , ,

Preparation time: 20 minutes
Cooking time:  40 minutes [approximately]
Makes: 1.75 litres

500g [1 lb] net weight green cooking apples

1kg [2lb] blackberries

454g of sugar to 570ml of liquid

Juice of 1/2 lemon for taste

1. Peel, core and chop the apples.  Pick over and wash the blackberries. Remove the stalks from the berries, cut away and discard any damaged or bruised fruit.

2. Place both fruits in a large pan with 125ml [4fl oz] of water.  Simmer slowly over a medium heat until soft [approx 20-30 minutes].  Stir often to avoid sticking.

3. Leave to cool, then measure liquid in ml.

4. Add 454g of sugar to every 570ml of liquid and stir, without boiling, for 5 minutes or until all the sugar has dissolved.

5. Bring the mixture to the boil and boil rapidly for around 7-10 minutes stirring often.  Stir across the base of the pan to check the jam is not sticking or burning.

6. Test for setting point when the jam looks thick and syrupy [see below].  When set, remove from the heat. Remove any scum from the surface with a large spoon.

7.  Add the lemon juice and stir.

8. Transfer the jam to a heat proof jug [can use a ladle and funnel] and immediately pour into warm sterilised jars, wipe clean and add lids.  [See below]

9. Leave to cool. Use within 12 months of making.  Refrigerate after opening and use within 6 weeks.

Tips:

  • Try not to cook too much jam in one go. Do not use more than 4lb of fruit in a recipe at a time.
  • Make sure your pan is large enough and preferably, is heavy-based.   Adding sugar increases the volume.  Jam can rise up the pan when boiling.
  • Bottle [jars] – check there are no chips or cracks.  Wash bottles and lids in a dishwasher or hot soapy water and rinse well. Dry and sterilise the bottles in the oven.  Place on a baking tray and leave in an oven [preheated to 120 degrees Centigrade/Gas Mark ½] for 20 minutes or ready to use.
  • Successful jams and preserves need an even balance of acid and pectin in the fruit.  Sugar and pectin play a part in the final firmness and flavour.
  • Sugar – is not simply a sweetener but is a preservative when used in high concentration as it acts to stop the development and growth of micro-organisms.  It is also a setting agent and aids the setting process in jams and jellies.  Acid in fruit forms a similar function.
  • Pectin – is found in the skin, flesh and seeds of most fruits to varying levels.  To test, place 2 teaspoons of methylated spirits in a cup, gently add 1 teaspoon of strained fruit mixture and stir gently.  It there is enough pectin to set the jelly or jam, clots should form into one large clump.  If they form only small clumps you will need to add some lemon juice to the mixture in the pan.
  • Cooking times – vary greatly depending on the size of pan used, fruit used, whether it is in season, it water content etc.  Therefore it is best to test the setting point sometimes 10 minutes before the time stated in the recipe.  Do not rely only on the times given.
  • Testing for setting point: Take a large spoon of jam, tilt it and it should fall from the spoon heavily with 3 or 4 drops joining together as they drop.  They may form a sheet and be slow to drop.  It is ready for bottling.  Alternatively you can take a teaspoon of jam, put onto a cold plate [need to put these into a freezer when you begin], return to the freezer for 30seconds or till cooled to room temperature. There should be a skin on top of the jam, which wrinkles if you gently push it with your finger- tip.
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6 Responses to “blackberry & apple jam ”

  1. westealingneighboursabundance Says:

    We didn’t have the luxury of having green apples to use for this recipe; infact we didn’t really know what apples we were using (need to identify them this year!). In most cases we had to break down the apples first before making the jam as they took a long time to cook.

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  2. David Phillips Says:

    My Mum used to make blackberry and apple exactly this way. I am now doing it myself and the first batch yesterday was perfect.
    Making another load today. Thanks for this I’d forgotten the amount of apple to use.

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    • WEN Says:

      Hi David that is nice to hear. My Mum also used to make blackberry and apple jam but I was so busy eating it on a slab of bread and butter I never bothered with the recipe! I doubt we will make the jam this year for the St James craft fair in West Ealing as we have given away most of the eating apples and have no cookers given to us. So damson and plum jam it is as I have a freezer full!

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  3. gill Says:

    I’ve just ‘reduced’ what should have been 1kg of blackberry and lime jam to a minute amount due to overboiling! Doh…tastes divine but too concentrated. But with the last of the blackberries (barely a kilo) am going to try this tried and true blackberry and apple jam and see if I can retrieve things. am also wondering if I could extend the delicous but oversweet, over thick blackbery and lime by ‘extending’ it with some apple and re-boiling. Am taking advice from jam guru Elizabeth and will report back! Wish me luck.

    Gill/West Ealing Neighbours/Abundance

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  4. WEN Says:

    Made my first batch this year of blackberry and apple jam. The blackberries were picked from Bitterns Field, Brent River Park W7 and the cooking apples were from Northfields Allotments. It’s a really easy jam to make and tastes delicious!

    More picking on Tuesday 17th August at our picking party so expect lots for sale later in the year.

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  5. WEN Says:

    This jam is an absolute fail safe! It always sets and tastes delicious. We have probably made around 40 jars so far and still have some blackberries left over from our picking party.

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