01 -
Spread a thin layer of mayonnaise on one side of each bread slice to ensure a golden, crispy crust when grilled.
02 -
Flip the bread slices and spread peanut butter evenly on the side that will face inward in the sandwich.
03 -
Distribute thin slices of ripe banana evenly over the peanut butter on two of the bread slices.
04 -
Place two bread slices mayo side down on a preheated griddle or non-stick frying pan, then top with the remaining two slices peanut butter side down, so mayo faces outward.
05 -
Cook over medium heat for 2 to 3 minutes until the bread bottoms are golden and crispy, then flip carefully and grill the other side similarly until both sides are golden and filling is warm.