As a pro baker, I say the best ways to upgrade a box of brownie mix are with mix-ins and extracts or substitutes to the ...
From adding an extra egg to sprucing things up with pantry staples, here are some easy and inexpensive brownie-mix hacks to ...
Follow the box instructions. Line a 9×13-inch baking pan with parchment, then mix the batter from 2 boxes of Ghirardelli ...