A buttery yellow cake mix crust, layered with pumpkin, and then topped with a cake mix and butter crumble, pumpkin pie dessert bars are an updated twist to the traditional Thanksgiving pumpkin pie.
Preheat oven to 325. Grease bottom only of 9x13 pan.
Reserve 1 c of dry cake mix in a bowl. Mix remaining cake mix, 1/2 c softened butter, and 1 egg in a separate bowl. Spread firmly in the bottom of the greased 9x13 pan.
Mix pumpkin, 2 eggs, and milk. Pour over prepared crust.
Mix reserved 1 c dry cake mix, 1/4 c softened butter, cinnamon and sugar. Sprinkle over the filling.
Bake at 325 for 45-50 minutes, or until a toothpick comes out clean when inserted in center.
Serve with whipped topping, if desired.
Store in refrigerator for up to four days.