"So we figured we'd flip the script and come to, I mean, arguably one of our favorite restaurants here in L.A., and take care of lunch for three cars behind us in the drive-thru," one of the officers said on a video posted on the department's Twitter account. "We're going to call this, 'Operation Pay it Forward.'"
The video was posted with the caption, "Never underestimate the power of a nice gesture."
The footage also showed the recipients thanking the officers in the In-N-Out drive-thru.
The officers are now challenging the New York Police Department to complete its own "Operation Pay it Forward."