1 pkg. yellow cake mix
3/4 c. oil or butter
4 eggs
8 oz. sour cream
1 tsp. vanilla
1/2 c. dark brown sugar
3 tsp. cinnamon
1/2 c. chopped nuts
1/2 c. raisins (opt.)

Mix cake flour, oil or butter, eggs and sour cream until light and fluffy; add vanilla. Mix together brown sugar, cinnamon, nuts, raisins and reserve. Pour batter into slightly greased oblong pan or Pyrex about 9"x13". Sprinkle reserved mixture all over top. Swirl with knife or fork in a braiding or "S" fashion. Bake at 325 degrees for 40 to 45 minutes.