Preheat oven to 450°. Sprinkle about half the sugar onto a clean
surface. Place pizza dough on sugar and spread remaining sugar on
top. Roll pizza dough out into an 11" circle.
Transfer dough to a large baking sheet and poke all over with a
fork, then brush with melted butter. Bake until golden, 12 to 15
minutes. Let cool slightly.
Spread Nutella all over crust, leaving a 1" border around the
edge. Top with marshmallows, mms, and pretzels. Serve warm.
