1 pkg. German chocolate cake mix
1 (8 oz.) pkg. cream cheese, softened
1 egg
1/2 c. sugar
1/2 c. milk chocolate chips

Preheat oven to 350 degrees. Grease and flour jelly roll pan, 15 1/2" x 10 1/2" x 1". Make cake mix as directed on box. Mix remaining ingredients and drop by tablespoonfuls onto batter. Cut through batter with knife to give a marble effect. Sprinkle with additional chocolate chips. Bake until cake springs back when touched lightly in center, 25 to 30 minutes.