01 - Preheat oven to 375°F. Line a baking sheet with parchment paper.
02 - Unroll crescent dough and separate into 8 individual triangles.
03 - Place one piece of chocolate and one marshmallow at the wide end of each dough triangle.
04 - Roll each triangle starting from the wide end, encasing the filling completely. Pinch sides firmly to seal.
05 - Place rolls seam-side down on the prepared baking sheet.
06 - Brush tops lightly with melted butter if using.
07 - Sprinkle crushed graham crackers evenly over the tops of all rolls.
08 - Bake for 10–12 minutes until golden brown and filling is melted.
09 - Let cool for 3–5 minutes before serving. Filling will be extremely hot.