PITTSBURGH — Mad Mex’s Shadyside location has become a testing ground for new items for the chain, and they could be rolling out to more locations soon. The Big Burrito Restaurant Group ...

The Tex-Mex restaurant first opened in the Stockyards in 1983 at 2609 N. Main St. by Amelia “Kiki” and Johnny Cisneros, who had worked at several Mexican restaurants in the area. Years later ...