Pumpkin Upside Down Cake recipe

1 pkg. yellow cake mix

1 can (15 oz.) pumpkin

1/2 cup sugar

1 can sweetened condensed milk

2 eggs

2 tsp. pumpkin pie spice

Mix cake mix according to package direction and pour into a greased 9x13 inch baking pan. Beat together pumpkin, sugar, milk, eggs and spice. Pour over cake batter evenly. Bake at 350 for 40 minutes. Let stand for 5 minutes and invert onto a serving tray. When cold, cut into squares and top with whipped cream, or topping.