Ingredients:
1 1/2 cups all purpose flour
1/2 cup unsweetened cocoa powder
3/4 cup sugar
2 teaspoons baking powder
1/2 teaspoon cinnamon
dash cayenne pepper (optional)
1/2 teaspoon salt
3/4 cup buttermilk
2 tablespoons butter, melted and cooled
1 teaspoon vanilla extract
2 eggs
1/4 cup semisweet chocolate chips

Marshmallow Topping:
3 egg whites, room temperature
1/2 cup sugar
1/8 teaspoon cream of tartar
1/2 teaspoon vanilla extract
Graham cracker crumbs