To be specific (according to his Twitter post): Dark chocolate brownies with Ganache frosting.
Mike's a personal chef. He makes awesome food. Use him if you need a caterer or event cooked up.
His website: http://www.partytimepersonalchefservices.com/
He told me today that these were a favorite of Martha Stewart's that he made for her when he was back east. I believe it!
I'm gonna go eat my brownies!