1 box white cake mix
1 pkg. instant pistachio pudding
1/2 c. orange juice
1/2 c. water
1/2 c. oil
4 eggs
3/4 c. Hershey's chocolate syrup

Mix first 6 ingredients together at medium speed for 2 minutes. Pour 3/4 of batter into a tube pan, greased and floured. To the remaining batter, add last ingredients and blend well. Pour over first part of batter and spread lightly. Bake at 350 degrees for 1 hour to 1 hour and 10 minutes. Cool in pan. Turn out and sprinkle with powdered sugar just before serving.