1 yellow or white cake mix
1/2 c. oil
4 eggs
1/2 c. orange juice
1/2 c. water
1 to 2 drops green food coloring (can be omitted)
1 pkg. Royal pistachio instant pudding (regular size)
3/4 c. Hershey's chocolate syrup

Add following to yellow cake mix and beat until smooth: oil, eggs, juice, water and pudding.

Put 2/3 of batter in greased bundt pan.

Add Hershey's syrup to remaining 1/3 batter and mix together. Marble this into batter in pan.

Bake at 350 degrees for about 45 to 50 minutes.

Serve with frosting or glaze or just powdered sugar.