Remove the skin and seeds from the kabocha pumpkin and steam it.
Mash the steamed kabocha pumpkin.
Add flour, sugar, salt, yeast, and milk to the mashed pumpkin and knead into a dough.
Let the dough rise for 1 hour.
Divide the dough into appropriate portions and shape them into balls.
Heat oil in a pan and cook the dough balls until golden brown on both sides.