What is revoltijo and what nutrients and benefits does it provide?

Revoltijo is a typical dish of Mexican cuisine, with a strong indigenous flavor, which is mainly consumed at Christmas, New Year's Eve dinner, or during Lent. Its main ingredient is romerito.

What is revoltijo and what nutrients and benefits does it provide?
Revoltijo is a complete and balanced dish. Image: Elpoderdelconsumidor.org