Brownies with marshmallows on top are one of the easiest ways to turn any brownie — homemade or a box mix — into something bakery-worthy.
This marshmallow topping trick takes just two extra ingredients and about 2 minutes of extra oven time, and it works no matter what brownie recipe you're starting with.
The best part: the marshmallow layer stays soft and gooey even after the brownies cool completely, so you're not stuck eating them warm to get that melty texture.
