Peel the pumpkin, remove the seeds, and cut into small pieces.
Place the pumpkin in a steamer and cook until tender.
Mash the cooked pumpkin and let it cool.
In a bowl, combine the mashed pumpkin, bread flour, yeast, salt, sugar, milk, and butter, and knead into a dough.
Let the dough rise for 1 hour.
Divide the dough into appropriate sizes and shape as desired.
Bake in a pan or oven until golden brown.