S'Mores Brownies

Bahan-bahan (12 porsi)

• 7 tablespoons unsalted butter, (melted)
• 1½ cups graham cracker crumbs ((8 or 9 whole graham crackers, crumbled))
• 2 tablespoons granulated white sugar
• 1 pinch salt
• ½ cup (1 stick) unsalted butter
• 4 ounces unsweetened chocolate, (chopped)
• 1 cup packed light brown sugar
• ¾ cup granulated white sugar
• 1½ teaspoons vanilla extract
• ½ teaspoon salt
• 4 large eggs
• 1 cup all purpose flour
• 1 cup semi-sweet chocolate chunks or chips
• 3 to 4 cups mini marshmallows
• ¼ cup graham cracker crumbs ((1 whole cracker, crumbled))