Spoon 1 teaspoon chocolate chips on center of dough rectangle. Dip marshmallow into melted butter; roll in graham cracker mixture. Place marshmallow on chocolate chips. Pull dough over marshmallow, completely covering marshmallow; pinch edges of dough to seal. Dip into melted butter; roll in graham cracker mixture. Place in regular-size paper baking cup. Repeat with remaining dough rectangles, chocolate chips and marshmallows. Place paper baking cups on large cookie sheet.