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Plum crumble - why are the cooked plums sour?

Carmen
Carmen Posts: 1,732 Forumite
Part of the Furniture Combo Breaker
in Old style MoneySaving
Hello all cooks,
I made a crumble with lovely sweet plums, but even though I put a lot of sugar in both plums and topping, it was so sour!
Can anyone enlighten me as to how very sweet plums can become so sour once cooked?
Thanks
Carmen x
«13

Comments

  • MRSTITTLEMOUSE
    MRSTITTLEMOUSE Posts: 8,547 Forumite
    I realy can't say but I find it strange.
    I'd like to know the answer too.
  • jonny2510
    jonny2510 Posts: 671 Forumite
    Part of the Furniture 100 Posts
    I can't comment as to why your plumbs ended up sour, but I can recommend this spicy plumb crumble recipe.

    I've not made it, but have eaten it and it's delicious!
  • absolutebounder
    absolutebounder Posts: 20,305 Forumite
    It is due to the degradtion by heat of fructose (a disaccharide). This molecule which gives fruit its sweetness is basicallt carcon oxygen and hydrogen so it can be broken down to water and carbon dioxide neither of which are sweet.

    The other explanation could be that the plums were not as sweet as you thought. Peach and pear crumble is nice and sweet.
    Who I am is not important. What I do is.
  • McKneff
    McKneff Posts: 38,857 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    I usually cook my crumble and then put brown crunchy sugar on afterwards. mmmmmmmmmm
    make the most of it, we are only here for the weekend.
    and we will never, ever return.
  • absolutebounder
    absolutebounder Posts: 20,305 Forumite
    McKneff wrote: »
    I usually cook my crumble and then put brown crunchy sugar on afterwards. mmmmmmmmmm
    is there any other sort of brown sugar
    Who I am is not important. What I do is.
  • frivolous_fay
    frivolous_fay Posts: 13,302 Forumite
    Part of the Furniture 10,000 Posts Combo Breaker Mortgage-free Glee!
    absolutebounder wrote: »
    is there any other sort of brown sugar

    http://www.britishsugar.co.uk/RVE45ab7523614a40cc9e5fcb3e40ccb7f6,,.aspx
    My TV is broken! :cry:
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  • Money_saving_Diva_2
    Money_saving_Diva_2 Posts: 2,914 Forumite
    edited 26 June 2009 at 2:45PM
    absolutebounder wrote: »
    is there any other sort of brown sugar

    Yes, soft brown sugar springs immediately to mind :rotfl::rotfl:

    I haven't had the OPs problem but then I usually cook my plums in a little water with splenda or canderal or something and then put them in the crumble dish, add blackberries (frozen from last years pickings..), and the crumble mix on top. They are always nice and sweet that way.

    Diva.x
    To be frugal, you need to spend money wisely, simply spending less is not enough.
    If you can't handle me at my worst then you don't deserve me at my best...
    Courage doesn't always roar. Sometimes courage is the little voice at the end of the day that says I will try again tomorrow.
  • Seakay
    Seakay Posts: 4,269 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    Sometimes if you put a lot of sugar in the crumble then the fruit seems sour by contrast even if it has been sweetened.
  • absolutebounder
    absolutebounder Posts: 20,305 Forumite
    Money_saving_Diva wrote: »
    Yes, soft brown sugar springs immediately to mind :rotfl::rotfl:


    Diva.x
    Doh I forgot about that I even have a bag in the larder and use it regularly
    Who I am is not important. What I do is.
  • cyclingyorkie
    cyclingyorkie Posts: 4,234 Forumite
    1,000 Posts Combo Breaker
    Seakay wrote: »
    Sometimes if you put a lot of sugar in the crumble then the fruit seems sour by contrast even if it has been sweetened.

    my mum always mixed a bit of golden syrup into the fruit....
    :jFlylady and proud of it:j
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