Remove the seeds and skin from the pumpkin and steam it.
Mash the steamed pumpkin finely and let it cool.
In a bowl, mix eggs, sugar, milk, and melted butter together.
Sift the cake flour and baking powder into the bowl and gently mix.
Add the mashed pumpkin to the batter and mix well.
Pour the batter into a mold and bake in a preheated oven at 170°C for 30 minutes.