NEWSPhotos: Isaac's on the Fly in York to debut fast casual conceptA man skateboards past Isaac's on the Fly Thursday, March 23, 2017, in York. The restaurant is the Lancaster-based sandwich chain's first in York City, and is also the first to feature a fast casual concept and a breakfast menu. The restaurant officially opens March 27.Chris Dunn, York Daily RecordYork City property maintenance inspector Cliffonda Stokes, second from right, eats dinner with her granddaughter Serenity Wright, 2, far left; daughter Strangé Henderson, second from left; and daughter Shania Henderson, far right, during a soft open at Isaac's on the Fly Thursday, March 23, 2017, in York. The restaurant is the Lancaster-based sandwich chain's first in York City, and is also the first to feature a fast casual concept and a breakfast menu. The restaurant officially opens March 27.Chris Dunn, York Daily RecordIsaac's Penguin Club sandwich is shown during a soft open at Isaac's on the Fly Thursday, March 23, 2017, in York. The restaurant is the Lancaster-based sandwich chain's first in York City, and is also the first to feature a fast casual concept and a breakfast menu. The restaurant officially opens March 27.Chris Dunn, York Daily RecordIsaac's crew member Sue Stough prepares sandwiches during a soft open at Isaac's on the Fly Thursday, March 23, 2017, in York. The restaurant is the Lancaster-based sandwich chain's first in York City, and is also the first to feature a fast casual concept and a breakfast menu. The restaurant officially opens March 27.Chris Dunn, York Daily RecordThe Isaac's flamingo is displayed at the corner of West Market Street and Beaver Street during a soft open at Isaac's on the Fly Thursday, March 23, 2017, in York. The restaurant is the Lancaster-based sandwich chain's first in York City, and is also the first to feature a fast casual concept and a breakfast menu. The restaurant officially opens March 27.Chris Dunn, York Daily Record