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I am doing a peach sorbet following pierre herme recipe which literally said:

  • 580g of peach puree
  • 74g sugar
  • 104g water
  • 37g of glucose (I've used high quality honey instead)
  • 4g of sorbet stabilizer which I couldn't find so I replaced it with 1 gelatin leaf.

I am using Cuisinart ICE 30-BC ice cream machine. I've used it once when I made vanilla ice cream and it worked great.

What I did is getting water and sugar to boil, remove from the heat, then added the honey and gelatin into the mix and pour it over the puree.

Pop it into the fridge at 4 degree Celsius for a night, and already putting the ice cream machin churning into freezer for 24 hours.

The sorbet didn't set at all. It has confit texture which is between a jelly and sauce textures.

To test if the mix will freeze without the machine, I moved it to the freezer at 14 degree celsius and woke up this morning to check it and it was like a jelly texture and it was not an ice block at all.

Did I add lots of sugar ? Or the gelatin leaf was useless and not the correct substitute ? But 1 leaf is 2g and 2g for 580g of liquid + 104 water is not too much at all.

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    What did you use as "peach puree" - did you put fresh peaches through a blender, or did you buy a can of prepared product? Also, did you remove the sugar syrup from the hob immediatelly after it started boiling, or did you keep it some time to thicken?
    – rumtscho ♦
    Commented Jul 5, 2019 at 8:45
  • I made my own peach puree by boiling peach until soft. Drain it, peel it, cut it and blend it. And yes I removed the syrup directly upon boiling. @rumtscho
    – alim1990
    Commented Jul 5, 2019 at 10:29
  • @rumtscho is this process correct ?
    – alim1990
    Commented Jul 5, 2019 at 11:18
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    The gelatin might have been a bit much - you might need to do some experimentation here; but according to Dana Cree in "Hello, My Name Is Ice Cream", Knox powdered gelatin is good as a stabilizer in a concentration of 0.4% (4g / 1tsp per kg). 1tsp of powdered is roughly equivalent to 1 leaf, so looking at your total weight, you are about 25% too high.
    – Chris Macksey
    Commented Jul 5, 2019 at 17:47
  • @ChrisMacksey you are totally true.
    – alim1990
    Commented Jul 8, 2019 at 6:48

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