No field to add website under Edit Public Profile

It's probably disabled for new profiles. Food52 -- like many sites -- has an ongoing problem with spammers. Many sign up, spam, and disappear in 24 hours never to return.

I don't know if Food52 will enable profile management of your website after a certain period of time or after a certain number of posts. My only suggestion is that you be patient and continue contributing to the Hotline community.

Of course, there's a chance it's a website bug. You could e-mail the help desk for guidance next week.