Food Network Star Anne Burrell Dead at 55

6:10 PM PT -- A rep for the NYC Fire Department tells TMZ ... the 911 caller reported that Anne went into cardiac arrest.

"Food Network" celebrity chef Anne Burrell has died in NYC ... TMZ has learned.

Law enforcement sources tell TMZ ... EMS personnel received a call of a woman in need of assistance Tuesday morning after Burrell was found unresponsive inside her Brooklyn home.

Paramedics were unable to revive Burrell and declared her dead. The medical examiner will conduct an autopsy to determine her cause of death.

The New York native hosted "Worst Cooks in America." She trained at the Culinary Institute of America, graduating in 1996. She was a culinary instructor for a time, and hosted other Food Network shows, including "Secrets of a Restaurant Chef," and she appeared on the 'Iron Chef' series.

Burrell is survived by her stepson, her brother, her sister, her mother, and her husband.

We've reached out to Anne's reps for comment.

Burrell was 55.