Wash the sweet pumpkin thoroughly and remove the skin and seeds.
Steam the sweet pumpkin for about 15 minutes and mash it.
Add cake flour, baking powder, salt, and sugar to the mashed sweet pumpkin and mix together.
Add eggs, milk, and cooking oil to make the dough.
Pour the dough into a bread mold.
Bake in a preheated oven at 180°C for 30 minutes.