The fire burned through the Smith Street building housing Kennedy Fried Chicken and Pizza just before 5 a.m.
Flames burned through an adjacent Chinese restaurant and a tax return business.
No injuries were reported.
NJ Transit buses were diverted in the area.
ALSO READ | Teacher's racist rant on Zoom recorded by 12-year-old's parent
* Get Eyewitness News Delivered
* More New Jersey news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a News Tip