Wash the pumpkin thoroughly, remove the skin and seeds, then steam it.
Mash the steamed pumpkin and let it cool.
Put flour, sugar, salt, and yeast in a bowl and mix well.
Add the mashed pumpkin, milk, and butter, then knead into a dough.
Let the dough rise for the first fermentation.
After the dough has risen, shape it into a ball and place it on a pan.
After the second rise in the pan, bake in a preheated oven.