1 box (1 lb 2.4 oz) Betty Crocker Original Supreme Premium brownie mix (or family size of another brand)
Water, vegetable oil and egg called for on brownie mix box
2 cups miniature marshmallows
6 graham crackers, broken into small pieces
2 giant size chocolate bars (about 10-12 oz. total) coarsely chopped
Heat oven to 350°F . Cook brownies for 15 minutes. While cooking, combine graham cracker pieces, chocolate and marshmallows into a large bowl. Remove brownies from oven and sprinkle graham mixture over top. Cook for additional 15-20 minutes or until toothpick inserted into middle comes out clean. Let cool completely before cutting and serving.
Recipe Source: Adapted from Betty Crocker