Cole (for Nicole) Mahon points out that her tattooed, formidably muscled arms have nothing to do with gym time; they're from long hours she puts in each week rolling out some of the tenderest pierogi dough in town.
A pierogi menu wasn't part of the plan six years ago when she and her brother James took over the Green Rock Tavern, a corner bar with a bad reputation on Lehigh Avenue: "I grew up on ravioli," she says. But in deference to the Fishtown-Port Richmond neighborhood's Polish sensibility, she honed her pierogi moves at the table of a friend's mother.



