You'll need: 9x9 pan Nonstick Foil-LOVE this stuff!!!! S'mores Bars Ingredients 2 cups all purpose flour 1 cup graham cracker crumbs 1 teaspoon baking soda 1 teaspoon salt 1 cup (2 sticks) butter, softened 3/4 cup sugar 3/4 cup brown sugar 1 teaspoon vanilla extract 2 eggs 2 cups miniature chocolate chips mini marshmallows 2