Preheat oven to 350. Mix pumpkin, eggs, sugar, milk, and seasonings. Pour into buttered 9x13" pan. Sprinkle cake mix over top and push down into pumpkin mixture, but do not mix. Drizzle melted butter over top, then sprinkle with pecan pieces. Bake 45-60 minutes. Serve warm or cold with whipped topping. Sylvia's comments: Michie is a co-worker who brought this to work. A delicious and very different way to serve pumpkin.