1 box yellow butter cake mix
4 eggs, beaten well
3/4 c. oil
1 c. buttermilk
1 c. brown sugar
2 tsp. cinnamon
1/2 c. pecans
1 c. confectioners' sugar
2 tbsp. milk
1 tsp. vanilla

Mix the cake mix, eggs, oil and buttermilk and pour into greased 9"x12" pan. Mix the brown sugar, cinnamon and pecans. Swirl the above into batter. Bake at 300 degrees for 1 hour. Mix the confectioners' sugar, milk and vanilla. Pour this over the warm cake.