This caramelized onion focaccia bread with blue cheese is a flavorful and savory bread that is perfect as an appetizer or a side dish. The sweet and caramelized onions add a rich and complex flavor to the soft and fluffy focaccia bread, while the crumbled blue cheese adds a tangy and creamy element. This bread is best served warm and pairs well with soups, salads, or as a standalone snack.