Maybe it was because it was the first day of summer and s'mores are the unofficial summer treat but the cupcake stars aligned and I got an idea.  Yesterday, I saw 
this post by Jordan for S'mores kits.  After saving that idea away, I wanted a s'more.  Right then, in the 96 degree middle of the day with no campfire around and in the middle of downtown Salisbury.  Not really an option.  Then I saw that Martha's 
Cookie of the Day was S'mores Cookies.  Okay idea Martha, but a s'more cookie wasn't enough.  I needed a s'more cupcake.  I actually went to bed and layed awake thinking of different combinations to make the perfect s'mores cupcake.
  Here's what I came up with:

Cupcake:
The cupcake would be chocolate, nothing else was never an option.  I used Beatty's Chocolate Cake recipe because it's the 
best chocolate cupcake.  To make it a true s'mores cupcake, I added graham cracker crumbs on top of the cupcake batter once I put them in the cupcake tins.  Bake 20 minutes and you get a perfect graham cracker chocolate cupcake.
Chocolate Topping:
I melted a Hershey's Bar and put a huge spoonful on top of each cupcake.  I could have used fancier chocolate but I wanted the authentic s'more taste. 
Marshmallow Frosting:
I totally made this up.  
1 stick of unsalted butter
2 (7 oz) jars of marshmallow cream
3 cups powdered sugar (give or take)
It was really all over the place but that I blame my kitchen being 90 degrees.  Tastes just like a melted marshmallow though!  
Add some more graham cracker crumbs....
Right after these photos were taken I grabbed up a cupcake and quickly moved to the sink since it was melting everywhere and proceeded to eat a cupcake in 3 bites.  I tasted just like a s'more and it wasn't until the last bite I noticed how good the chocolate cake was with the rest of the s'more taste.  Messy, yes.  But isn't that the way s'mores are supposed to be?