Is a tostada just a flat taco? "Yes, kind of, but not really" would be the official, technical answer. "Tostada" is the umbrella term for dishes served on crispy corn tortilla shells. Some people ...
Regardless, they're always flat and circular, with a thin, crispy texture that gives a crunch with every bite. Think of a tostada as an open-faced taco, because essentially, that's what it is ...