OMG — this looks so good.  And perfect grown-up treat for around the campfire and so easy.
Recipe
-Alternate layers of graham cracker crumbs and mini marshmallows in a glass.  Top with chocolate sauce of your choice (I always pick dark chocolate).
-Pour over 3 ozs of Original Baileys Irish Cream
-Top with a toasted marshmallow – freshly toasted via campfire.
-Eat with a spoon!