What is the Ashkenazi custom regarding kneading matzah with non-water liquids?

PesachMatzah Preparation

Synopsis

In Ashkenazi communities, the custom is to avoid kneading matzah with fruit juice entirely; even brushing baked matzah with these liquids is not done, except for the sick and elderly.

Early Acharonim
Lenient
Strict
Lesser cited
Major authority

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