Preheat the grill to 450 degrees with the pizza stone on it.
Flour a surface and roll out the dough into a circular shape.
Remove the wrapper from a graham cracker. With kitchen scissors, cut marshmallows into three circles.
Place the dough on a grill on a pizza stone. Close the lid and cook for 2 minutes.
Using the tongs, flip the dough over.
Place the Nutella in a bowl and use a spoon to spread it evenly over the pie crust. Add the graham crackers on top of the Nutella, then drizzle with honey. Place the marshmallows on top of that and press them gently into the mixture.
Remove the pizza from grill and close the oven. Set aside to cool for three minutes. Remove the pizza from the grill using tongs when the marshmallows are golden brown.