Cake:

1 pkg. butter recipe golden cake mix, divided
4 eggs
1 c. sour cream
1/3 c. oil
1/4 c. water
1/4 c. sugar

Streusel Filling:

2 tbsp. reserved cake mix
2 tbsp. brown sugar
2 tsp. ground cinnamon
1 c. finely chopped pecans

Glaze:

1 c. confectioners sugar
1 to 2 tbsp. milk

Preheat oven to 375°F. Grease and flour 10-inch tube pan. For streusel filling, combine 2 tablespoons dry cake mix, brown sugar and cinnamon in medium bowl. Stir in pecans. Set aside. For cake, combine remaining cake mix, eggs, sour cream, oil, water and sugar in large bowl. Beat at medium speed with electric mixer for 2 minutes. Pour 2/3 of batter into pan. Sprinkle with streusel filling. Spoon remaining batter evenly over filling.

Bake for 45 to 55 minutes, or until toothpick inserted in center comes out clean. Cool in pan 25 minutes. Invert into serving plate. Cool completely. For glaze, combine confectioners sugar and milk in small bowl. Stir until smooth; drizzle over cake.