A Piece Of Cake is a free theme for WordPress created by Stanko Metodiev.
A Piece Of Cake is simple and clean WordPress theme, based on _s starter theme.
(Description "A Piece Of Cake" Theme from wordpress.org)
You can download A Piece Of Cake for free via the provided download link and include it into your themes folder of your WordPress installation. Also you can directly search for it in the WordPress admin interface in the themes section and install and activate it from there.
More information, screenshots and reviews of A Piece Of Cake Theme can be found here.