There's nothing complicated about these brownie cupcakes, but they're sure to be a fan favorite wherever you serve them. I have tested this recipe with both Ghirardelli Double Chocolate brownie mix ...
To find the best grocery-store option, I made Pillsbury's, Ghirardelli's, Duncan Hines', Kodiak Cakes', and Betty Crocker's versions of brownies using box mixes. For consistency, I scaled all ...