Food Safety Report: Panera Bread, Madison Avenue, Mankato, MN, USA 1 year ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Vomiting, Stomach Pain, Chills Suspected source: Breakfast sandwich at Panera Bread Mankato Mn or Hot chocolate from Kwik Trip Mankato mn Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me