Spread one side of each slice of bread with 1 tablespoon of spreadable butter and place (butter-side down) on a cutting board.
Spread 1 tablespoon of peanut butter on 4 slices of bread.
Add sliced bananas and 1 tablespoon of honey on top.
Place top slice of bread on sandwich, butter side up.
Cook in panini press as directed by the manufacturer.
Let cool slightly for 2-3 minutes. Cut in half and serve.