1 pkg. yellow cake mix with pudding
4 eggs
2/3 c. vegetable oil
1/3 c. water
1 (8 oz.) carton sour cream
1/2 c. firmly packed brown sugar
1 tsp. ground cinnamon
2/3 c. chopped pecans

Combine first 5 ingredients in a mixing bowl. Beat at medium speed until smooth. Combine brown sugar, cinnamon and pecans; set aside. Pour half of the batter into a greased and floured 9x13 inch baking pan. Sprinkle half of the sugar mix over batter. Repeat procedure. Gently swirl batter with knife. Bake at 350 degrees for 30-35 minutes. Remove and drizzle glaze over cake and cool. Cut into squares.

GLAZE:

1 c. sifted powdered sugar
2 tbsp. milk
1/2 tsp. vanilla extract

Combine ingredients, beat at medium speed until smooth.