Preheat oven to 180 degrees C. Butter a 20x30cm baking dish.
Place peaches in prepared dish. Cut each slice of bread into five fingers and lay the fingers over the peaches. In a medium bowl, combine sugar, flour, egg and butter and mix until well blended. Pour over bread and peaches.
Bake in preheated oven 35 to 45 minutes, until golden.