01 -
Evenly spread a thin layer of mayonnaise onto one side of each bread slice.
02 -
Spread peanut butter across the uncoated side of each bread slice.
03 -
Distribute banana slices over the peanut butter-covered sides.
04 -
Arrange two bread slices, mayonnaise side down and peanut butter side up, on a preheated griddle. Lay the remaining bread slices on top, peanut butter side down.
05 -
Cook sandwiches over medium-high heat for approximately 2 minutes, or until golden brown. Flip and continue grilling for an additional 2 minutes per side, ensuring both sides are golden and the peanut butter is warmed through.