Having a quick breakfast doesnt have to mean having a boring (or carboloaded) breakfast. These vegetarian breakfast quesadillas are packed with flavor and protein. For an easy morning treat, make these ahead of time and freeze, then microwave or heat them in a frying pan when youre ready to eat. Heating in a frying pan will give them a crispier finish. This recipe is made simple by using canned black beans, but you can prepare the beans yourself from dried beans. The corn can be prepared by boiling or steaming fresh corn ears or by using frozen corn or canned corn.