The famously super-toned 007 star has reportedly been spotted in a number of the local eateries, whose menus rarely offer much succour to the diet conscious.
The British actor was snapped coming out of one of them, Dal Bolognese, with the button of his jacket apparently under some strain from a well-filled stomach, an image that helped win him praise from the Italian media for his "aBONDant" appetite.
On that occasion, Craig, 46, was joined by "Spectre" co-stars Monica Bellucci and Christoph Waltz for the trip to a Roman institution that specialises in the rich stuffed pasta dishes of Bologna.
The Filipino-American wrestler and actor gets behind the wheel of a red Jaguar C-X75.
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It has not all been plain sailing for Mendes, who is directing his second Bond film in what is the 24th instalment of the franchise based on the novels of Ian Fleming.
According to media reports, producers failed to anticipate how noisy it would be driving on Rome's ancient cobblestones.