Homemade Oreo Cookies

I got this from my friend Regan-

Ingredients:
2 Devils Food cake mixes
4 eggs
1 1/2 C. shortening

Filling:
8 oz. cream cheese
2 tsp. vanilla
1/4 C. butter or margarine
1 box powdered sugar

Directions:
Mix cake mix, eggs and shortening together and roll into balls. Bake on cookie sheet at 350 degrees for 8 minutes.

Mix filling and spread between two cookies.