Ingredients 1½ cups self-rising flour 1 ½ cups granulated sugar, divided 7 tablespoons dark unsweetened cocoa powder, divided 3/4 cup whole milk 8 tablespoons melted unsalted butter 1/4 teaspoon vanilla extract, optional 1/2 cup brown sugar, packed 1½ cup very hot water vanilla ice cream topping, optional Instructions Preheat...