The lines are often out the door at hit taco shop South Philly Barbacoa, but somehow Cristina Martinez doesn’t feel like she’s busy enough.The star chef, who’s known as much for her immigrant rights’ activism as for her outstanding barbacoa tacos, is about to open a second Mexican restaurant in Philly’s historic Italian Market. Alex Lau. Our Friday minimum order…” Casa Mexico is well underway at 1134 S. South Philly Barbacoa. 1,193 Likes, 16 Comments - South Philly Barbacoa (@barbacoachef) on Instagram: “We are now accepting orders for Friday pick-up at South Philly Barbacoa! Liberty and barbacoa for all. 2,027 Posts - See Instagram photos and videos from ‘southphillybarbacoa’ hashtag 6,036 Posts - See Instagram photos and videos taken at ‘South Philly Barbacoa’ By Julia Krame r. August 16, 2016. 804 Likes, 17 Comments - South Philly Barbacoa (@barbacoachef) on Instagram: “Pro-tip: We have chicken tamales in salsa verde on Mondays only.” Hours: Saturday & Sunday 5am until we run out! 31k Followers, 1,435 Following, 1,510 Posts - See Instagram photos and videos from South Philly Barbacoa (@barbacoachef) 7,708 were here. Like many who have lined up at Chipotle during their lunch break, I know that barbacoa … Last month, we reported that South Philly Barbacoa is opening a new restaurant in the space that used to house Koukouzeli, at 1134 South 9th …