01 -
Set grill to low heat (300-325°F). For charcoal grills, wait until coals are mostly gray and move them to one side.
02 -
Cut the connected rolls in half horizontally, keeping them attached. Place on foil on a baking sheet.
03 -
Spread 2/3 of chocolate chips on bottom half, add marshmallows, then remaining chocolate. Keep top half nearby.
04 -
Slide foil onto grill grates. Close lid and let residual heat melt chocolate and soften marshmallows, about 4-10 minutes.
05 -
Add top buns, press gently. Optional: brush with melted butter, sprinkle graham crumbs and salt. Serve while warm.