NYC Diners No Fans of Cash-Only Restos; Giada and John Mayer Deny Doin’ It

• The cash-only policies of New York restaurants like Roberta’s, Supper, and Prime Meats have some diners ticked off. [NYP]

• Both Giada de Laurentiis and John Mayer are denying rumors of an alleged affair; the Food Network star is “heartbroken,” while a rep for Mayer calls the claims “ridiculous.” [CBS News]

• The first meal served to world leaders attending the G-20 summit in Seoul will not be Korean food, but rather “a simple Western-style, three-course meal,” an organizer says. But hey, the steaks will come from persimmon-fed cows. [Korea Real Time/WSJ]

• Rising food costs are to blame for further inflation spikes in both China and Hungary. [International Business Times, Bloomberg]

• As if being stranded on the Carnival cruise ship Splendor weren’t bad enough, everyone onboard is being forced to eat Spam, canned crab meat, and Pop-Tarts while they await rescuer tugboats. [USAT]