With infinite varieties and ingredients, the possibilities are truly endless - and endlessly delicious.
But not all sandwiches are created equal. There can be sloppy sandwiches, soggy sandwiches, and sandwiches that fall short of their true potential.
In honor of National Sandwich Day, here are some simple tips and tricks that will up your game and take your sandwich-making skills to the next level.
Did we miss your favorite sandwich hack? Explain it in the comments!