1) Combine:1 box yellow cake mix, 1/2 cup melted butter, 1 beaten egg
2) Set aside 1 or 1 1/2 cups of mixture.
3) Press remainder in bottom of 9X13 pan
4) In bowl mix, 1 large can pumpkin,1/2 cup brown sugar, 2/3 cup milk,1 1/2 tsp pumpkin spice, 2 eggs
5) Pour mixture on top of cake in 9x13 pan.
6) Crumble together remaining cake mix with 1/4 cup sugar, 1 tsp cinnamon, 2 Tbs soft butter. Sprinkle on top.(Its not so much a crumble, but kind of glob on top) Bake 350 degrees for 45-50 min.