Wash the carrots thoroughly and grate them.
Add eggs and sugar to a bowl and whisk together.
Add cooking oil and mix well.
Sift in cake flour, baking powder, and cinnamon powder.
Add the grated carrots and salt, and mix evenly.
Pour the batter into a mold.
Bake in a preheated oven at 180°C (356°F) for 30 minutes.