Homemade Oreos

Cookies:
2 pkg. Devils Food cake mix
4 eggs, lightly beaten
2/3 cup oil

Frosting:
8 oz. cream cheese
½ cup butter
½ tsp. vanilla
3-4 cups powdered sugar

Roll dough into 1-inch balls, flatten slightly. Bake at 350° for 8-10 minutes. Cool completely. Frost one cookie, and then place another cookie on top.