A few years after it was sold, it became nationally famous under a new name. By Richard Sandomir Ken Rosenthal, who opened a bakery cafe in the St. Louis area, with sourdough bread as its star ...
Before Ken Rosenthal opened the bakery-cafe that would become Panera Bread, he was a businessman who didn’t know how to cook eggs. Panera Bread founder and Colorado businessman Ken Rosenthal ...