Ja Rule is breaking the incarceration code of silence ... revealing something only the people inside his penitentiary have known about ... HIS SECRET RECIPE FOR PRISON CHICKEN CURRY!!
The rapper -- who recently told us that he cooked like a maniac during his 2-year stint at Ray Brook Federal Prison -- appeared on "TMZ Live" moments ago and explained how he transitioned into a locked up Chef Boyardee.
So, if you plan on doing time in the near future, listen up ... 'cause Ja has the PERFECT recipe to slam together a nice chicken dish in the comfort of your own cell.
... and it actually sounds pretty damn good!!
Check out the clip.