01 -
Spread the softened butter evenly on one side of each slice of bread.
02 -
Arrange the banana slices, mascarpone cheese, and honey on the unbuttered side of one bread slice. Top with the second slice, buttered side facing outward.
03 -
Preheat a skillet over medium-high heat. Place the sandwich onto the skillet and grill for 2 to 3 minutes on each side, or until golden brown and cheese is melted.
04 -
Remove from skillet, cut in half, and serve hot.