1 lg. can Libby pumpkin pie filling (Brown label)
4 eggs
1 box yellow cake mix
2 cubes butter, soft

Crumble butter and cake mix together. In another bowl, mix pumpkin and eggs. In 9 x 13 pan (lightly greased) pour in pumpkin mix. Sprinkle butter mixture over top. Bake at 350 degrees for 35 to 40 minutes. Sprinkle cinnamon and sugar over top after baked.