Quesadilla with white cheese?

I have a very specific craving for the quesadillas I used to get in Atlanta, GA.

I believe the cheese in them is Oaxaca, but it is white and very thick and melty. I have yet to find a Mexican restaurant here that has anything but shredded cheese in quesadillas, generally yellow.

Any idea where I could get a quesadilla with white cheese that isn't just mozzarella??