> This works but I think this not a very good way ...
It is, but you can avoid one arrow
print "MyText$ref_HoH->{$var}{key}ishere."
You can also try (untested)
print "MyText$$ref_HoH{$var}{key}ishere."
Anyway I'd prefer something more readable, so why interpolating?
update
This looks like an XY problem, do you really need 2 levels?
Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
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