Prep: 1. Break down chocolate bars into pieces. 2. Break graham crackers into squares. Make: 1. Preheat oven to 375. 2. In a large bowl, cream butter and sugars, add egg and vanilla, set aside. 3. Add flour, baking soda, salt and cinnamon and mix with butter mixture. 4. Fold in chips and marshmallows. 5. Lay out graham crackers onto baking sheet and place balls of dough on top. 6. Bake for 5 minutes then press chocolate bar pieces on top. 7. Bake for 5-7 more minutes. Serve.