In article ,
David Rance wrote:

For anyone interested, the key to cooking them is this:

Pour boiling water over them, let it cool, throw it away, and
repeat several times. This is to reduce their flatulent effect!

Will that work for Jerusalem artichokes?

No. The heavy sugars are mostly in the bean skins, but are in
the artichoke flesh. Sorry - nice try, but no banana :-)