From your photo of the Real Deal, I imagine a thinner, darker chocolate coating would work better.
Another blog mentioned adding powdered sugar to the peanut butter to "make it taste like the real one". Only you would know if it needs that. However, I'm betting the authentic GSA cookies have sugar added if for no other reason than to stretch out the PB ingredient.
http://cookiebakerlynn.blogspot.com/2007/03/tagalong-with-me.html
Another blog mentioned adding powdered sugar to the peanut butter to "make it taste like the real one". Only you would know if it needs that. However, I'm betting the authentic GSA cookies have sugar added if for no other reason than to stretch out the PB ingredient.
http://cookiebakerlynn.blogspot.com/2007/03/tagalong-with-me.html