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You are here: Home / Jam / Greengage Jam and what to do when your jam is too runny!

Greengage Jam and what to do when your jam is too runny!

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Greengage Jam montage - Pinterest Image
Greengage Jam in a jar with scones on a board. Pinterest image.

Greengage Jam has been a favourite of mine since childhood! With just 2 ingredients and no jam sugar or added pectin this recipe couldn’t be simpler!

Greengage Jam - Fab Food 4 All

Today I’m sharing my Greengage Jam recipe with you.

I have a had a love affair with greengages and greengage jam ever since I was a child. Over the years these luscious green plums seem to have become rarer and rarer and often the only place to find greengage jam has been in a garden centre or farm shop.

So imagine my delight when I came across 6 punnets of reduced Greengages (35p each from £1) in my local supermarket last week!

They didn’t look very ripe which was great as I didn’t have time to jam them immediately and slightly under-ripe to just ripe fruit is always best for jam making due to higher pectin level.

A reader recently questioned the lack of any pectin or lemon juice in my Plum and Apple Jam, I had to explain that some fruits just have enough natural pectin not to need any help on that front! If a jam does need extra pectin I only ever use lemon juice (and sometimes skins) which helps with the gel formation! There isn’t actually any pectin in the lemon juice, it’s in the seeds and skin.

Greengage Jam - Fab Food 4 All

So fast forward to jam making day which came a couple of days later. Stoning the greengages and then crushing the shells to remove the kernels is a bit of a labour of love but a lovely ritual all the same!

The kernels help with the setting as there is no lemon juice in this recipe to help with the pectin level. I also had 3 yellow plums that needed using up so I tossed those in too which probably affected the colour slightly!

What to do when your jam is too runny?

Over the last 3 years I have gone from making quite stiff jam, well maybe that’s an exaggeration but you know what I mean to a much softer set jam which we prefer – the more jam you make the more you get a feel for this.

So being a bit foolhardy I tested my jam at 8 and then 10 minutes and as it was “just” tacky I decided that would do (and maybe I was tapping away on my phone juggling my Facebook and Instagram at the same time)!

Hence I popped my Greengage Jam into jars and the following morning when I went to try it I realised it was just a step too far on the runny side; it was perfectly edible but not up to my usual standard.

Greengage Jam - Fab Food 4 All

The good thing with jam is that if you haven’t boiled it for long enough you can pop it back in the pan and carry on boiling it. This was my first experience of this happening but it’s through mistakes that we learn the most. Hence I thought it was important to share this with you the reader.

If you take your eye off the ball during any stage of jam making that is when things can go wrong, not stirring is also a big no no or you burn your jam. So I re-washed and sterilised all my jam jars and set about boiling my jam until it wasn’t just tacky but formed a crinkle on a chilled saucer, this took another 4 minutes.

So after a shaky start I ended up with 4 large (400 ml) jars of delicious Greengage Jam. I reduced the amount of sugar in this jam as most recipes call for equal amounts of fruit to sugar but this jam has plenty of sweetness so more sugar really isn’t necessary. Happy jam making and if you make this recipe do let me know or share with me on social media by tagging @FabFood4All I love seeing your creations!

Simple Rye Loaf with Greengage Jam

Greengage Jam made on another day!

More plum and summer jam recipes:

  • Mirabelle Plum Jam – Fab Food 4 All
  • Plum & Apple Jam – Fab Food 4 All
  • Damson Jam – Fab Food 4 All
  • Damson & Redcurrant Jam – BakingQueen74
  • Quick Yellow Plum Jam – Simply Food
  • Flaming Fury Peach & Niagara Ice Wine Jam – Kavey Eats
  • Apricot & Vanilla Jam – Tin & Thyme
  • Gooseberry & Gin Jam – Foodie Quine

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Greengage Jam in a jar with scones on a board. Pinterest image.

Greengage Jam with scones on wooden board.
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Greengage Jam and what to do when your jam is too runny!

Greengage Jam a beautiful plum jam with its own unique flavour and a favourite of mine since childhood!
Course Snack, teatime
Cuisine British
Keyword greengage, Plum, preserve
Prep Time 40 minutes
Cook Time 30 minutes
Total Time 1 hour 10 minutes
Servings 4 jars
Author Camilla Hawkins

Ingredients

  • 1.8 Kg greengages
  • 1.5 Kg granulated sugar
  • 275 mls water

Instructions

  • Place the water in a large preserving pan (or one of equal size).
  • Wash the greengages (no need to dry), remove stalks, halve to remove the stones, cut in quarters and add to the pan.
  • Use a nut cracker to crack open the stones to remove the kernals then add them to the pan.
  • Cook the greengages for 10 minutes on a gentle simmer.
  • Turn the heat down and add the sugar, stirring until all the sugar has dissolved.
  • Bring the pan to a full rolling boil and stir frequently.
  • Start testing for set after 12 minutes by placing a few drops of jam onto a chilled saucer. Place in fridge for a minute and then push your finger through it, if it is tacky and forms a crinkle the jam is ready, if not boil for another 2 minutes and repeat test until ready.
  • Stir jam well and skim off all the kernels that float to the surface.
  • Ladle jam into hot sterilised jars and place lids on immediately.
  • Store in a cool, dry place away from sunlight.

Notes

Put 2 saucers in the freezer before you start.
Sterilise 4 x 400 ml jam jars by washing in hot soapy water or take straight from dishwasher, filling with boiling water, emptying and then placing in oven for 20 minutes at 140°C then leave in oven until jam is ready. Washed lids should be sterilised with boiling water and then left to drain.
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Reader Interactions

Comments

  1. LORI HARTZELL

    19/08/2020 at 1:04 am

    Hi, this is all new to me. Could you put this into cups and u.,s . a. measuring for me please! I do want to try these green gage,plums I have in jelly them! Thank you, Lori

    Reply
    • Camilla

      19/08/2020 at 11:05 am

      Hi Lori, I’m afraid you can’t convert a weight to a volume accurately which I why I don’t have an automatic calculator. Digital scales are very cheap so I would advise you to invest in a pair in order to be able to make successful recipes where accuracy is key. Failing that you could use an online calculator but it’s not something I would put my name to or take responsibility for.

      Reply
  2. Karen Gray

    25/07/2020 at 5:46 pm

    I have a greengage tree in my garden. It’s only fruited three times in 15 years. This year it was so heavy with fruit that that the wind has spilt the tree and it is dying. Just managed to salvage enough greengages to make this jam before the tree surgeon comes to take it down. Absolutely gutted!

    Reply
    • Camilla

      25/07/2020 at 9:13 pm

      Oh no Karen, that is gutting, I love greengages so I can imagine the pain:-(

      Reply
  3. Lynn Stewart

    20/09/2019 at 8:55 pm

    Can you process the jam in the Mason jars in a water bath so they last longer. I’d like to sell some at my craft show.

    Reply
    • Camilla

      20/09/2019 at 9:24 pm

      Hi Lynn, this is how we make jam in Europe and it will last years although best eaten sooner! By all means water bath if you prefer but I don’t know anything about that process I’m afraid.

      Reply
  4. Kat T

    27/02/2018 at 12:43 pm

    I am new to jam making and recently tried making italian plum jam. The recipe called for fruit, sugar, and lemon juice but no water. The resulting jam was very very hard – almost like candy! Although the taste was good… But I notice some of your plum jams use water and some do not, is there a rule to this?

    Thanks very much, looking forward to trying your recipes!

    Reply
    • Camilla

      27/02/2018 at 3:01 pm

      Hi Kat, all I know is that if you add water to jam then you will need to boil it for a little longer to reach setting point. I don’t know which recipe you followed but the jam had obviously reached setting point a lot sooner than you took it off the heat. It’s best to err on the side of caution and test slightly sooner than a recipe might suggest. If you follow my recipes you should be fine as I go into great detail to get the best results:-)

      Reply
  5. Richard Eldred Hawes

    09/06/2017 at 9:14 pm

    One of my favourite fruits, and it is not bad as jam as well

    Reply
  6. Margaret gallagher

    01/05/2017 at 3:14 am

    Ive made jam in the past and it’s been a little too runny -lets home my next attempt will be better

    Reply
    • Camilla

      01/05/2017 at 10:14 am

      Practice makes perfect Margaret:-)

      Reply
  7. Amy Fidler

    26/01/2017 at 9:07 am

    Thanks for this information x

    Reply
  8. Richard Eldred Hawes

    17/01/2017 at 10:30 pm

    Greengages are one of my favourite fruits, it is such a pity that season is so short

    Reply
    • Camilla

      18/01/2017 at 12:02 am

      Same here, and harder to find these days!

      Reply
  9. A S,Edinburgh

    13/01/2017 at 11:24 pm

    Plums are one of my favourite fruits, and yet I don’t remember ever having tried greengages. I should be able to find some later in the year, I’ll have to look out for them. This jam looks wonderful!

    Reply
    • Camilla

      14/01/2017 at 1:15 am

      They are rarer these days but you can usually find them for a short while in the summer!

      Reply
  10. William Gould

    27/10/2016 at 11:21 am

    I must admit to not ever trying greengage jam – I must give it a go!

    Reply
    • Camilla

      27/10/2016 at 1:57 pm

      Oh gosh William, it was always my favourite treat growing up:-)

      Reply
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