Ooey Gooey Butter Cake

cake mix wheat flour, sugar, cornstarch, canola oil, baking powder sodium acid pyrophosphate, sodium bicarbonate, cornstarch, monocalcium phosphate, salt, natural flavors, xanthan and or guar gum, powdered sugar, cream cheese pasteurized milk and cream, salt, stabilizers, eggs, butter with natural flavor cream, natural flavors, cinnamon chips sugar, partially hydrogenated palm kernel oil, reduced mineral whey powder, ground cinnamon, non fat dry milk solids, artificial color yellow lake 5, yellow lake 6, blue lake 2 anhydrous dextrose, soy lecithin, salt, artificial flavor, sugar, soybean oil and or canola oil and or cottonseed oil, artificial flavor, potassium sorbate