Lorna Doone Chocolate Peanut Butter Bars with Salted Caramel and Marshmallow Cream

Lorna Doone cookies

salted caramel (or just enough to spread a thin layer over the cookies)

+ 1 heaping tablespoon marshmallow cream

and 1/3 dark chocolate melting wafers (I used Ghirardelli Dark Melting Wafers)

creamy peanut butter (I use Skippy)