Since Autumn requested, here's the link to the Samoas Cupcake recipe:
http://kathleensconfections.blogspot.com/2011/01/samoa-cupcakes.html
I had issues with the caramel on her recipe (think big burned block of sugar in my pan), so I used this one instead, which I've used before for Salted Caramel Rice Krispie Treats and is super delicious: