Chocolate Ooey Gooey Butter Cookies

What's the secret to making melt-in-your-mouth cookies? In the case of this recipe for Chocolate Ooey Gooey Butter Cookies, the secret ingredient is a box of chocolate cake mix. The other ingredient that makes these cookies one of the best simple dessert recipes ever? A package of rich and delicious cream cheese. You simply can't go wrong with moist and rich cake mix cookies like these.