1 package yellow cake mix
1/2 cup butter
1/4 cup water
1 large can pie filling, OR 1 large bag frozen mixed berries of your choice.
preheat oven to 350 f.
in a large bowl, combine cake mix, butter, eggs, and water. stir until moistened, beat at med. speed for 2 minutes. spread into greased 13"x9" pan. spoon pie filling over. bake for 40-45 minutes or until toothpick inserted in cake comes out clean.