| 1 | Heat oven to 350°F. |
| 2 | Grease 13x9x2-inch baking pan. |
| 3 | In large bowl, beat butter. |
| 4 | Add sugar; beat on medium speed of electric mixer until light and fluffy. |
| 5 | Blend in egg and vanilla. |
| 6 | Stir in graham cracker crumbs, flour and salt. |
| 7 | Set aside 2-?cups graham cracker crumb mixture. |
| 8 | Press remaining mixture into bottom of prepared pan. |
| 9 | Place candy bars, side by side, breaking to fit, if necessary, on top of mixture in pan. |
| 10 | Sprinkle marshmallows evenly on top of chocolate bars in pan. |
| 11 | Crumble reserved graham cracker crumb mixture on top of marshmallows. |
| 12 | Bake 30 minutes. |
| 13 | Cool 10 minutes in pan on wire rack. |
| 14 | Cut into bars; cool completely. |
| 15 | About 24 bars. |
| 16 | hershey"s is a registered trademark of hershey foods corporation. |
| 17 | Recipe may be reprinted courtesy of the hershey kitchens. |
