From, The Essential Mormon Cookbook: Green Jell-O, Funeral Potatoes, and other Secret Combinations

1 box devil’s food cake mix
¾ cup butter or margarine, softened
2 eggs
1 (8 oz) package of cream cheese, softened
½ cup butter
2 Tbsp vanilla
2 cups powdered sugar

In a large bowl, combine cake mix, the ¾ cup butter, and eggs. Chill about 10 minutes. Roll into small balls. Place on a greased baking sheet. Bake at 350°F for 7 – 9 minutes. Cool.

To prepare filling, beat cream cheese, the ½ cup butter, and vanilla together. Add powdered sugar, and mix. Spread filling on top of cookie, and then top with another cookie. Makes about 2 dozen cookies.