Tim McIntire tries, hates Fajitas and Ritas:

... I mean, I don't think you could even screw up and have food this bad. I think you'd actually have to try, to sit down with paper and pencil and a five year plan, and make every effort to actually create something so horrible. It's like someone who'd never eaten Tex-Mex found a cookbook at the library with some missing pages and used it to start a restaurant with a kitchen staffed entirely by Swedes. ...