1 box (2 layer size) yellow cake mix
3/4 c. vegetable oil
1 c. sour cream
1/2 c. sugar
4 eggs
1 tsp. vanilla
1 c. chopped nuts
2 tbsp. brown sugar
1 tsp. cinnamon

With electric mixer, beat together cake mix, oil, sour cream, sugar, eggs and vanilla. Stir in nuts. In small dish, combine brown sugar and cinnamon.

Pour 1/2 batter into greased Bundt pan. Sprinkle with sugar-cinnamon mixture; add remaining batter, spread evenly in pan. Bake 45-50 minutes at 350 degrees. Allow to cool in pan 15 minutes before turning out. When completely cool, you can sprinkle with sifted powdered sugar or make a glaze for the top of the cake.

GLAZE:

1 1/2 c. sifted powdered sugar
1 1/2-2 tbsp. milk
1/4 tsp. vanilla

Combine ingredients, blend until smooth.