Admire the Louvre. It was THE most romantic restaurant we’ve ever been to. Please do this. We had dinner too. It was on the expensive side. Let me know how it goes. The restaurant is actually part of the Louvre/old palace.
Le MarlyLe restaurant Le Café Marly, est une brasserie unique et iconique située sous les arcades du Louvre à Paris (1er arrondissement)
https://cafe-marly.com/en/[cafe-marly.com]