S'mores Brownies

Preheat oven to 350 degrees F. Line a 9x9-in pan with parchment paper overhanging the sides.
Arrange graham crackers on the bottom of the lined pan. Break any graham crackers to fit.
7 sheets graham crackers
In a medium size saucepan over medium heat, melt butter. Remove from heat and stir in sugars. Allow the mixture to cool for 5 minutes.
1 cup butter, 1 ½ cup light brown sugar, ½ cup sugar
Whisk eggs and vanilla into the butter/sugar mixture. Mix in cocoa powder. Gently fold in the flour, baking powder, and salt until just combined.
4 eggs, 2 tsp vanilla, 1 cup cocoa powder, ⅔ cup flour, ½ tsp baking powder, ½ tsp salt
Pour the batter over the graham crackers and bake for 30 minutes.
After 30 minutes, remove the pan from the oven and top with chopped chocolate. Allow the chocolate to sit for 3-5 minutes and then use a small offset spatula to spread the chocolate over the top of the brownies.
3 ½ oz chocolate
Arrange the marshmallows on top in rows and then return the pan to the oven for 5 minutes. After 5 minutes, remove the pan from the oven and use a kitchen torch to toast the tops of the marshmallows, or position the pan to the top rack of your oven and broil for 15-30 seconds.
36 marshmallows
Allow the brownies to cool for 20-30 minutes before cutting into squares. Enjoy!