1 pkg. yellow cake mix
1 sm. box instant vanilla pudding
3/4 c. corn oil
3/4 c. water
1 tsp. vanilla
1 tsp. butter flavoring
4 eggs

Blend all except eggs. Add eggs, 1 at a time, beating well. After all combined beat on medium for 8 minutes. Mix together in bowl:

1/2 c. chopped pecans
2 tsp. cinnamon
1/3 c. sugar

Grease bundt or angel cake pan. Sprinkle some of pecan mixture on bottom of pan. Then alternate layers of pecan mixture and batter mix, ending with batter. Bake 1 or more hours at 350 degrees. Let cool in pan 8 to 10 minutes. Remove to plate. Combine in mixer:

1 c. powdered sugar
4 tbsp. milk
1 tsp. butter flavoring

Brush cake with above mixture while still warm. Refrigerate after cutting.