What is a Fresco Y Mas Supermarket? It is Southeastern Grocer’s (Winn-Dixie’s parent corp) way of connecting with the Latin and Hispanic customers in Florida. Winn-Dixie has been operating at Saglo’s Flamingo Plaza (Hialeah, FL) for decades. Hialeah is a city in Miami-Dade county where an astounding 94% of its residents are Hispanic or