it is! one of the tastiest things i used to eat when i was a kid was rice con queso- black beans, rice, green chillies, and lots and lots of cheese baked together.
Sounds amazing, but also sounds like a heart-attack waiting to happen - Is there nothing other than beans, chillies and cheese? no tomatoes, or onions or anything? Sounds yummy, but also sounds like it's missing something...
i think there may have been some onions with the chilis. i remember it being a very white dish with flecks of orange and spotty black beans. it was a wednesday night "vegetarian" meal every so often, like colcanon or tamale pie.
every good mexican restaurant worth their beans has a side of rice and beans with cheese on top. all this talk of awesome cheese makes me miss it more.