Restaurante is a free theme for WordPress created by alexitsios.
Restaurante is a lightweight responsive bootstrap theme for restaurants, barbecues, grill houses, italian restaurants, fast food, pizzerias and more. Features include option to upload your own favicon, customizable background, header & shortcodes. Last but not least it implements microdata, opengraph & twitter cards in order to have the best visibility on search engines and social media.
(Description "Restaurante" Theme from wordpress.org)
You can download Restaurante 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 Restaurante Theme can be found here.