Sour Cream Coffee Cake

1 pkg. yellow cake mix
1 (3 3/4oz.) pkg instant vanilla pudding mix
4 eggs
3/4 cup water
1 cup sour cream
1 teaspoon vanilla
1/4 cup cooking oil

Filling:
3/4 cup sugar
1 cup finely chopped walnuts
2 Tablespoons cinnamon

In a bowl mix cake, pudding, eggs, water, sour cream, vanilla, and oil. Beat til smooth. Combine filling mixture. Grease bundt pan. Sprinkle part of filling mixture to coat sides and bottom. Alternate layers of batter and filling. Bake 350 for 45-50 minutes. Cool in pan 10-15 minutes then turn out onto wire rack to cool completely.

It's good just as it is, but my kids like when I put a glaze over it. Enjoy ... Barb