1 lg. can Libby's solid pack pumpkin, prepare recipe on can
Use your spice you like and use 6 eggs instead of 4
1 box plain yellow cake mix, no pudding mix
1 stick butter

Crumble cake mix and butter together. Put pumpkin mixture in a 9 x 14 (or large) pan. Crumble cake mixture over top and bake at 350 degrees for 1 hour or until knife comes out clean. Serve with Cool Whip if desired.