It isn't that new, the old Hersey's formula for high temp chocolate had powdered milk in it a thermostabilizer. Should work about the same in peanut butter, so it doesn't get soupy in high heat.

And you don't need that drink of milk, it's already to stuck to the roof of your mouth with the peanut butter. smile
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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.