Take 1 cup of the cake mix and stir 3 T of melted butter into it. Set aside.
To the rest of the cake mix add: 1 square of melted butter and 1 egg. Press into a buttered 9x13 pan. Set aside.
Then mix together; pumpkin, evaporated milk, 2 eggs, sugar, ginger, salt, cinnamon and cloves. Pour over the cake mixture. Then crumble the reserved cake mixture over the pumpkin mixture.