Preheat oven to 300 degrees. Combine cake mix, 1 egg, butter and 1 teaspoon vanilla in bowl and mix well. Batter will be very thick. Spread in prepared 9x13 inch pan sprayed with non stick cooking spray.
Combine remaining 3 eggs, 1 teaspoon vanilla, cream cheese and powdered sugar in bowl and beat well. Reserve 3/4 cup batter.
In 3/4 cup batter, add spices and mix. Drop dollops of batter and swirl with knife. Bake for 50 minutes.