Ghirardelli, Duncan Hines, Kodiak Cakes, and Betty Crocker using boxed mixes. Here's how each brownie mix stacked up. To keep things consistent, I measured all the ingredients with identical ...
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.