1Line a 9 x 13 inch baking pan with waxed paper. Mix pumpkin, evaporated milk, 1 cup sugar, eggs and cinnamon in a bowl. Mix well. Pour into prepared pan. Sprinkle the cake mix over the the pumpkin mixture. Sprinkle the pecans over the cake mix. Drizzle butter over layers. Bake at 350 for 1 hour. Cool in pan. Invert onto flat plate. Mix the cram cheese, 1 cup sugar and whipped topping in a bowl. Mix well and spread over the top of the cake. Chill for 1 to 2 hours or more. Cut into 1 inch squares. Makes 24 servings.