In high school, my friends would rave about my dad's special brownies. They were so gooey, so packed with chocolate, and so ...

You can use any box mix for these cookies. However, Ghirardelli is the best I've tried thus far. You want, ideally, to buy ...

Maddie Klein is a freelance writer for Insider. I've made a lot of brownies, but none beat Ghirardelli triple-chocolate mix from the grocery store. Here's how I make them perfect every time.