Using your hands, roll the cake batter into teaspoon-sized balls. Place them on an ungreased cookie sheet about two inches apart and bake at 350 for 7-9 minutes, or until set in the center. Allow them to cool for a few minutes before removing them from the baking sheet to cool completely.
To make the cream cheese filling
In a large mixing bowl, place all of the filling ingredients. Beat with an electric mixer until light, fluffy, and well combined. Put a small amount of filling on the flat side of one cookie and top it with the bottom of another to make a sandwich. Enjoy!