It took Leghorn all of 90 minutes to sell out of everything on opening day. The socially-conscious chicken shop with chef pedigree sold around 600 sandwiches, ran out of chicken tenders in 30 ...

The day Leghorn Chicken opened up, they sold out in just 90 minutes. 600 sandwiches in just an hour and a half. But it’s not just about great chicken.

It comes down to several generations of selective breeding of the Leghorn chicken, which lays pure white eggs. When a white Leghorn chicken took home the gold in a 1868 New York show, breeders ...