All too often, we let breakfast become a side note to the day—a quick, perfunctory bite grabbed on the run. But not Sunday. The day of rest is the day to take your time and construct the greatest breakfast sandwich of your life.

Unique ingredient combinations and easy DIY twists can help you break out of your bacon, egg, and cheese holding pattern—we found delicious options with mortadella, blue cheese, kale, smoked salmon, avocado and more. In the words of Queen Bey, let us upgrade you…with the best breakfast sandwich recipes out there.

Take your breakfast-sandwich game to the next level with these 15 surefire recipes.