Preheat oven to 350 degrees F. and spray a 9 x 13 inch baking dish with non-stick cooking spray.
*This version uses ingredients to make the dessert healthier. You can find the original dessert square recipe here.
**To make this recipe gluten-free, try a gluten-free yellow cake mix.
***Feel free to use a different variety of butter, pumpkin pie mix, milk, sugar and cake mix. For this recipe, I listed the products I used for a healthier dessert.