Finely grate the carrots and set aside.
Whisk the eggs and sugar together in a bowl.
Add vegetable oil and mix well.
Sift cake flour, baking powder, and cinnamon powder into the bowl.
Add the carrots and nuts, and gently mix.
Pour the batter into a mold and bake in a preheated oven at 170°C for 40 minutes.
After cooling, spread cream cheese frosting on top.