Since there is no official novel titled "Boruto Breakfast Dart," it is most likely you are looking for the popular fan analysis of how Boruto Uzumaki’s character arc contrasts with his father's, specifically regarding his upbringing and lifestyle (symbolized by "breakfast") in the "New" era.
Here is the complete text of that popular character analysis/study often cited in video essays: boruto breakfast dart new
The "New" part of the keyword is the most promising. It could refer to: Since there is no official novel titled "Boruto
In sports, a "dart" is a sudden dash. "Dart new" could mean a new movement ability—perhaps a space-time ninjutsu that lets Boruto "dart" through dimensions without using a Kāma. This would be a game-changer against the remaining Otsutsuki. The "New" part of the keyword is the most promising