The Fire broke out around 4:00 a.m. Sunday at Frangelica's Restaurant in Chesilhurst, Camden County.
Heavy smoke and fire could be seen as firefighters battled the blaze along the Whitehorse Pike.
A group of customers was inside wrapping up a party when smoke filled the restaurant and the customers had to get out quickly.
No injuries were reported.
Firefighters brought the flames under control just after 5:00 a.m..
The cause of the fire is under investigation.