Spread one side of each slice of bread with 1 tablespoon of spreadable butter.
Place graham cracker crumbs on a plate. Dip the buttered side into the cracker crumbs coating well.
To press, place one slice of bread on the panini press, crumb side down on the bottom portion of the grill. Sprinkle on marshmallows and chocolate chips. Close the lid and cook according to the manufacturer’s directions.
Remove and let cool for 2-3 minutes, sandwich filling will be hot. Slice in half and serve.