These killer maple mustard croissant breakfast sandwiches are the perfect combination of sweet and savory. The flaky croissant is filled with crispy bacon, melted cheddar cheese, and a tangy maple mustard sauce. The maple mustard sauce adds a unique twist to the classic breakfast sandwich, giving it a deliciously sweet and tangy flavor. This sandwich is easy to make and is sure to impress your family and friends at brunch or breakfast gatherings.