Add the butter and brown sugar to a medium sized saucepan over medium heat, and cook for 3 minutes, until butter is melted and sugar is dissolved. until dissolved.
Add the chocolate chips and stir constantly until melted. Transfer to a mixing bowl and cool for 10 minutes.
Add the eggs and the vanilla to the chocolate mixture and beat until thoroughly combined.
In another mixing bowl, whisk together the flour, baking soda, and salt. Gradually add the flour to the chocolate mixture and mix until combined. Refrigerate the cookie dough for 1 hour.
Preheat the oven to 350 degrees. Roll tablespoon sized portions of cookie dough into a ball and place on parchment lined cookie sheet. Bake for 7 minutes, or until the cookies are just set.
Remove the cookies from the oven and immediately place 1 chocolate mint candy on top of each cookie. Allow to rest for 10 minutes, then spread the melted chocolate over top f the cookie to coat. Cool completely before storing.