01 -
Evenly spread a thin layer of mayonnaise on one side of each bread slice.
02 -
Spread peanut butter onto the uncoated side of each bread slice.
03 -
Arrange banana slices in a single layer on the peanut butter sides of two bread slices.
04 -
Place remaining bread slices, peanut butter side down, over the banana-topped slices to form two sandwiches.
05 -
Heat a griddle or skillet over medium-high heat. Place sandwiches onto the griddle, mayonnaise side down. Cook for 2 minutes or until golden, then flip and grill the other side for an additional 2 minutes until both sides are crisp and golden and filling is warmed through.