Don’t be fooled by how simple the avocado and egg from Proper Bagel sandwich seems—there’s actually a lot going on here. Besides the avocado and egg, there’s arugula, a healthy smear of plain cream cheese, and a housemade tomato jam that is almost solely responsible for landing this on our best breakfast sandwich guide. You choose what daily-made bagel it comes on, but the key to greatness is to get it on a bialy.