Prepare a campfire with hot coals or a portable grill with a grate
flatten a portion of cookie dough into a disc
Place a square of graham crackers, a marshmallow, and a square of chocolate in the center of the cookie dough
Fold the edges of the cookie dough over the graham cracker, chocolate, and marshmallow, forming a ball
Wrap the cookie dough ball in aluminum foil
Place the foil-wrapped cookies on the open campfire and cook for 10-15 minutes, turning every once in a while until the cookies are golden brown and the marshmallows are melted.
Let them cool slightly before opening the package.