The Menendez Brothers will probably be partaking in some Christmas classics for dinner tomorrow … in what may very well be there final December 25 behind bars.

As you realize … Erik and Lyle Menendez are locked up in Rihcard J. Donovan Correctional Facility for the 1989 homicide of their dad and mom — although the Los Angeles D.A.’s Workplace is wanting into presumably supporting resentencing them.

Nonetheless, their listening to is not till the tip of January … so tomorrow, they’re nonetheless spending Christmas incarcerated — and TMZ now is aware of how they will mark the day.

A supply within the California Division of Corrections tells TMZ … like everybody within the Menendez Brothers’ pod, Erik and Lyle may have a particular dinner of turkey, pie, salad, corn and chocolate milk.

The chocolate milk is a giant deal BTW … ‘trigger we’re advised inmates solely get it yearly — so, it is a very particular deal with.

The group will play tournaments of the cardboard sport pinochle … and, there will probably be non-religious providers and visits organized by exterior teams.

Nonetheless, one large custom will not be taking place behind bars it appears … with our supply saying there will not be any exchanging of items.