Preheat oven to 350°F. Reference cake mix box for appropriate pan size. Grease pan.
Combine dry cake mix with can of apple pie filling, 1/3 cup apple butter, and eggs (do not add oil or water). Stir well.
Bake for the amount of time directed on box of cake mix. Cool cake.
Blend cream cheese, butter, confectioners sugar and 4 Tablespoons of apple butter until smooth. Spread icing on cooled cake