Forget the flour tortillas and melted cheese, not that I dislike melted cheese. As a child one of my favorite things to eat, when I wasn't spooning strawberry jam directly into my mouth or taking surreptitious swigs from the Hershey's syrup bottle, was to put a slice (or 4) of cheese on a plate and microwave it. That's why I have a hard time buying the "obese people are just that way because they eat too much" argument. By all accounts then, I should weigh in at well over 600 pounds, rather than the diminutive weight of whatever the hell I am.
I learned all of this because I live next to a tortilleria that smells absolutely heavenly although it emits a somewhat grating, high-pitched squeal as the tortillas come down the conveyor belt. It's approximately 70 pesos for a kilo of fresh, hot tortillas. I could live on them. Some of the taco stands I've been to actually make their own tortillas right there as your order. Those stands (fondas) usually have long lines too. Sometimes, there are old women walking around in a food market with baskets of hot tortillas that come in an amazing variety of diameters, colors, and thicknesses. Then, you just buy your filling by the kilo (or half kilo or whatever) and make your own tacos at the counter.
However, these aren't the enchilada tortillas, and that's where I think I was going when I started all of this although now I’m so hungry it’s hard to recollect.
They are soaked in a tomato salsa, made with garlic and oregano, and then the tortillas are deep fried. The filling is queso fresco (fresh cheese) mixed with dried oregano and chopped onions. They can either be rolled up or served flat, usually that depends on how crispy they are. To my mind, the crispier the better, the edges get nice and browned too. They are then topped with shredded lettuce, a couple of spoonfuls of a mild, thin tomato sauce, and then sprinkled with a thicker chili based hot sauce.