This gooey treat is made with a graham cracker crust topped with brownie, finished with melty chocolate and toasty marshmallows.
You'll only need a few simple ingredients to make this easy recipe. Let's round them up and get started!
Mix graham cracker crumbs, melted butter, and sugar, and press the crust into the bottom of the baking pan.
Bake the crust on its own in a 350ºF oven for 8-10 minutes.
Prepare the brownie batter according to the recipe, then pour it into the pan and spread it evenly over the crust.
Bake the brownies following the directions on the package, adjusting the oven temperature accordingly.
Once the brownies are out of the oven, break apart some Hershey's chocolate bars and layer them over the brownies.
Sprinkle mini marshmallows on brownies and bake in the oven for 3-4 minutes until puffed and toasted.
Top the finished brownies with graham cracker crumbs and extra chocolate pieces.
Let the brownies cool to room temperature in the pan before slicing.