S'mores Brownies - Milk

Ingredients

• 8 graham cracker sheets, crushed into coarse crumbs
• ¼ cup melted local butter
• 1 cup local butter, melted
• 1 ½ cups packed dark brown sugar
• ½ cup granulated sugar
• 3 eggs, room temperature
• 1 teaspoon vanilla extract
• ¾ cup cocoa powder
• ¾ cup all-purpose flour
• ½ teaspoon baking soda
• ½ teaspoon Salt
• 100g dark chocolate, chopped
• 30 large marshmallows