These rock cakes are inspired by Hagrid's attempts to offer hospitality to Harry and his friends during their visits to his hut in the first book, providing a taste of the whimsical and slightly hazardous world of Hogwarts.
Preheat oven to 350°F.
In a large bowl, mix flour, baking powder, and sugar.
Rub in butter until the mixture resembles breadcrumbs.
Stir in currants.
Beat egg and milk together, then add to mixture.
Drop spoonfuls of mixture onto a baking tray.
Bake for 25 minutes until golden brown.