It's like those times when you got back home from school and put your pastry Pop-Tarts in a toaster to watch TV. One of the joys of adulthood is buying a birthday cake, even if it's not your birthday.

Admittedly, the birthday cake Legendary Protein Pastry kind of ... going to a birthday party instead of the gym. If you ate Pop-Tarts as a kid, you're going to get a blast from the past when ...