Help me figure out this cheesecake from Sifnos

I’m still noodling with this recipe, and I’d love your help.

Bonjour! Bonjour!

Before I get to the story behind this cake, here’s the punchline: I’m not sure that the cake I made — as tasty as it was — is THE cake. If you know about this cake, if you or your Greek grandmother made this cake, or if you’ve got ideas about just how it should be made, please jump in. I’m convinced that this is a case (a cake?) where many cooks can only make things better.           

Sifnos

Michael and I are just back from spending a week in Greece, a place we’d dreamed about, but only went to now because Joshua forwarded news of a flash sale on flights from Paris to Athens. It was, as the cliché goes, too good to miss. Then, as long as we were going to Athens, how could we not jump over to an island? And that’s when things got complicated. Greece has more than 1,000 (some say 6,000) islands, and I can barely decide what color socks to wear in the morning, so the prospect of choosing one paradise over 999 others was daunting. When we finally decided on Sifnos, no one I…