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 ...

Boxed brownie mix is a staple ... to the next level with gooey s'mores brownies. S'mores are delicious on their own, but they're even better when you add brownies in between layers of graham ...

Add mix-ins to play with texture and flavor ... brazzo/Getty Images Switch up the flavor of boxed brownies with just a few drops of an extract. Even just a teaspoon of vanilla extract can go ...

Impact Link With a prepackaged brownie mix and some kitchen staples, you're about an hour away from sinking your teeth into a luxurious treat. Here are some simple baking hacks to elevate box ...

but they're even better when you add brownies in between layers of graham crackers and marshmallows. According to a simple recipe on Delish, you don't even need a campfire to make this decadent snack.