Grandma Robin's Delicious Pumpkin Pie Cake

1 yellow cake mix (set aside 1 cup of mix)
1 egg
1 stick melted butter.

Mix together. Grease 9x13 glass pan. Press mixture into the bottom of pan.

1 29 oz. can pumpkin pie filling
3 eggs
1 can evaporated milk
1/2 c. brown sugar
1/2 c. white sugar
1/2 t. salt
1/2 t. ground clove
1/2 t. ground ginger
1/ t. vanilla
2 t. cinnamon

Mix together. Pour over crust mixture.

1 cup cake mix
1/4 c. butter
1/2 t. cinnamon

Crumble together and sprinkle over cake. Bake @ 350 for 1 hour.