For many cakes or cookies, whole walnuts are suggested as decoration. For me, that was always a bit of a problem; when cracking the nuts, about half of them always broke. But there is a household tip for this too:
Walnut stays whole
To ensure a walnut does not break when removing it from the shell, soak it in lukewarm water for 24 hours before opening.
Image by Janine, meinhaushalt.at
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