1 Yellow Cake mix (I use Duncan Hines Butter Cake Mix, Reg. size) 
2 Eggs 
1 stick Margarine or Butter (could sub 1/2 cup applesauce) 
1 15 oz. can pumpkin pie mix 
Ingredients needed to prepare pumpkin per directions on can
Mix together the cake mix, margarine (soft not melted) and eggs. 
Spread to cover bottom of greased 9 X 13 inch pan. 
Prepare pumpkin as directed on can. 
Pour over above mixture. 
Bake at 425 degrees for 15 minutes, then 350 degrees until firm, approx. 20 
to 30 minutes.
 I take it out when it still shakes a little in the middle.