Perfect Peanut Butter Buttercream between two Tagalong Girl Scout Cookies make these Tagalong Peanut Butter Buttercream Sandwiches the perfect afternoon treat! Yesterday I made the most delicious Triple Chocolate Peanut Butter cupcakes for my friend Margo. I had about 1/2 cup of peanut butter buttercream left after frosting all the cupcakes and a few Tagalong Girl …
