Grandma's Kahlua Cake

1 pkg. Duncan Hines Golden Butter Cake Mix

4 eggs

1 - 3 1/2 oz. instant vanilla pudding mix

3/4 cup Wesson oil

1 tsp. vanilla

1 cup sour cream

1 cup brown sugar

3/4 cup chopped pecans (walnuts)

1/3 cup Kahlua

In large bowl, place cake mix. Add eggs, one at a time, mixing well after each addition. Add pudding mix, oil, vanilla, sour cream. Mix well. Divide batter in half. To one half, add Kahlua, brown sugar and pecans. In greased bundt pan, place half of the pecan batter, all of the plain batter, then the rest of the pecan batter. Run a knife through batter to marblize slightly. Bake at 350 degrees for 1 hour 15 min. (Check cake after 1 hour).