Story highlights Detectives called the investigation "Operation Extra Olives"

The drug deals allegedly happened in the restaurant parking lot

(CNN) Breadsticks and wings weren't the only sides available at a Papa John's in Washington state, according to local law enforcement. Until recently, an off-menu item at the pizza restaurant was cocaine.

A six-month joint investigation by the King County Sheriff's Office and the police department in Sammamish, just east of Seattle, resulted in the arrests of five people, two of whom are accused of selling drugs out of a Papa John's.

'Operation Extra Olives'

According to the sheriff's office, in December 2016 Sammamish police received a tip that Papa John's employees were selling cocaine. The workers would make the sales in the franchise's parking lot.

Undercover detectives were sent to the Papa John's and managed to buy drugs from two employees at four different times.

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