Bake until golden brown, about 1 hour 15 minutes.
Put the potatoes on the oven rack and bake until very tender, about 1 hour.
Place the squash on a baking sheet, cut side down, and bake until very soft, about 1 hour.
Sprinkle with sugar and bake until golden brown, about 1 hour.
Place directly in the oven and bake until tender, about 1 hour.
Put in the oven and bake for about one hour, until the pudding is set.
Transfer to the oven and bake until soft when pierced, about 1 hour.
Cover with foil and bake until tender, about 1 hour.
Bake until set and golden brown on top, about 1 hour.
Bake until the cake springs back when touched in the center, about 1 hour.