1 pkg. yellow cake mix
1 pkg. instant vanilla pudding
3/4 c. oil
3/4 c. water
4 eggs
1 tsp. butter flavoring extract
1 tsp. vanilla
1/2 c. sugar
2 tsp. cinnamon
1/4 c. chopped nuts

Beat first 7 ingredients for 8 minutes. Mix in the rest of the ingredients. Grease heavy angel food cake pan, put 2 teaspoons of cinnamon mixture and a few nuts on bottom, then 1/2 batter. Mix nuts and repeat again. Take knife and swirl. Bake at 325 degrees for 55-60 minutes.