Originally Posted by HadesNL

For breakfast you will have to check in with the host,
They'll look up your name & room number and see who's eligable for breakfast inclusive (rate or diamond choice)
The host will bring you to a table abd leave a grey slab om the table with lettering " IHG 1 rewards diamond" so server knows your breakfast is inclusive and no bill is needed to be presented.

Thank you for the tips!

Our favorite place is
https://restaurantholder.com/en/
Already return customers there

Bit spooky, very similair across the ocean to Dutch
Ysbreker Amsterdam https://www.deysbreeker.nl/?lang=en
Dudok Rotterdam https://dudok.nl/rotterdam/

Might be related family ?