Yummy!
1 pkg. butter recipe yellow cake mix
2 sticks margarine, softened
4 eggs
8 oz. sour cream
1/2 C. brown sugar, packed
1/3 C. pecans, chopped
2 tsp. cinnamon
1 C. powdered sugar
1 T. milk
1 tsp. vanilla
Remove 1/2 cup dry cake mix. Beat remaining mix, eggs, butter and sour cream. Pour half of batter in a greased 9×13″ pan. Stir together reserved cake mix, brown sugar, pecans and cinnamon. Sprinkle over batter in pan. Carefully spread remaining batter evenly over pecan mixture. Bake 30 to 33 minutes at 350°. Stir powdered sugar, milk and vanilla to a drizzle consistency. Poke top of warm cake several times with fork. Spread drizzle over top of cake. Cool completely. Store covered.