1 pkg. white cake mix
1/4 c. oil
2 eggs
1/2 c. water
1 can pie filling (any flavor)

Preheat oven to 350 degrees. Pour oil into 13 x 9 x 2 inch pan, tilt pan to cover bottom. Put cake mix, eggs and water into pan, stir with spoon until blended. Scrape sides and spread batter evenly into pan. Spoon pie filling into batter, fold into batter to create marble effect. Bake at 350 degrees for 35-45 minutes.