1Preheat oven to 350°F. Remove 1 cup cake mix from box and set aside in a small bowl for topping.
2In large bowl combine remaining cake with 1 egg and 1/2 cup melted butter. Mix well, pat into bottom of pan and set aside.
3In the same small bowl used for the base, mix pumpkin, sweetened condensed milk, pumpkin spice and cinnamon. Combine well and pour over base mix in pan.
4With fork combine reserved cake mix with nuts and softened butter. Crumble over pumpkin mix.
5Bake in preheated oven 40-50 minutes until golden brown. let cool for at least 20-30 minutes. Cut in squares and sprinkle with powder sugar. ****You can also make cream cheese icing if you'd like.**** Enjoy!