This longtime Eastern Market counter restaurant draws neighborhood residents and visitors every Saturday morning with their “Bluebucks.” Long queues are the norm to get a stack of three light and fluffy blueberry buckwheat pancakes slathered with butter and maple syrup as well as “The Brick,” a hearty breakfast sandwich stuffed with bacon, egg, cheese, and...potatoes. Line up early, but be sure to hit the ATM beforehand as it is cash-only.