1 box yellow cake mix (reserve 1 cup)
1 stick plus 1/4 c. butter
1 egg
1 lg. can pumpkin pie mix
1/2 c. milk
1/2 c. sugar
1 tsp. cinnamon

Mix together cake mix the stick or butter (melted), 1 egg, and pat into 9 x 13 pan. Mix together the pumpkin pie mix and milk and cinnamon; pour over cake mix. For topping, mix together 1/2 cup sugar, 1/4 cup butter and the reserved cake mix. Sprinkle over pumpkin mixture. Bake at 350 degrees for 1 hour.