Preheat oven to 350=A
1. Prepare a jelly roll pan (about 15" x 10" x1"). = Mix cake mix with eggs, Irish Cream and oil. Set aside 1/2 cup of prepared cake batter for swirl. Pour cake batter into prepared pan.
In a small bowl, blend all swirl ingredients. Drop large spoonfuls of this mixture over the cake batter. Swirl with a fork to make a marble effect. Bake 25 30 minutes. Cool and cut into squares.