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Panna cotta leaf gelatine amount

  • 18-07-2020 6:36pm
    #1
    Registered Users Posts: 579 ✭✭✭ batman1


    Hi,
    I followed an RTE recipe for hazelnut pannacotta but it turned out to stiff.

    The recipe called for powder gelatine but I only had leaf. Google told me 3 leaves for the amount , 600ml but it was too stiff
    Any gelatine experts advise on this? I was tempted to try 2 then but not sure if that's enough . I know it's a fine line with pannacotta..


Comments

  • Registered Users Posts: 32,275 ✭✭✭✭ rubadub


    I guess it is this one, calling for 1.5 teaspoons.

    RTE recipe for hazelnut pannacotta

    https://www.rte.ie/lifestyle/recipes/2018/0521/965079-rory-oconnells-roasted-hazelnut-panna-cotta/

    As "sheets" is a bit vague I would go for weight.

    google says
    There are 3.08 grams of powdered gelatin in 1 teaspoon.

    Guessing you went for these sheets, it is 13g in 8 sheets. Each sheet is 1.625g

    https://www.tesco.ie/groceries/product/details/?id=282996132

    4.62g in 1.5 teaspoons so 2.84 sheets. So you were close to that, but looking it up more some will gel better.


    https://mmingredients.co.uk/product-category/gelatine/leaf-gelatine/
    Gelatine sheets come in four separate grades, which are bronze, silver, gold and platinum. Each grade is associated with various “bloom strengths,” or their ability to set a gel. This means that gram for gram, platinum will set a stronger gel than gold, silver a stronger gel than bronze, etc.

    The bloom strength for each grade is:

    Bronze leaf gelatine Pork
    Bronze leaf gelatine Pork
    Bronze: 125-135
    Silver: 160
    Gold: 190-220
    Platinum: 235-265
    To compensate for the fact that one sheet has a higher bloom strength than another; each grade of gelatine has a different weight, making their overall ability to set a gel, more or less equal. For example:

    Bronze: 3.3g
    Silver 2.5g
    Gold: 2.0g
    Platinum: 1.7g

    the dr oetker sheets were platinum.

    the standard oetker stuff is here
    https://www.tesco.ie/groceries/product/details/?id=280932920
    Dr. Oetker Gelatine Sachets set 1 pint of liquid per sachet.
    that is 4grams to 1 pint.

    The platinum says
    4 Leaves will set one pint of liquid.
    so 6.5g to one pint! so now I am totally confused!

    The platinum is pork while standard is beef, maybe that matters too.


  • Registered Users Posts: 3,008 ✭✭✭ phormium


    Sheets vary in size, I was caught out like that before! Now I follow whatever the pack of gelatine says it needs per pint rather than the recipe.


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