01 -
Smooth a thin layer of mayonnaise on one side of each slice of bread.
02 -
Spread peanut butter on the inner sides of each slice of bread.
03 -
Place banana slices evenly over the peanut butter.
04 -
Place two slices of bread, mayonnaise side down and peanut butter side up, on a griddle. Top with the remaining two slices of bread, peanut butter side down.
05 -
Cook over medium-high heat for about 2 minutes, or until golden brown. Flip and cook for an additional 2 minutes per side, or until both sides are golden brown and the peanut butter is warm.