Finely grate the carrots and prepare them.
Whisk together the eggs and sugar.
Add the oil and mix well.
Sift in the flour, baking powder, and cinnamon powder, then mix.
Add the carrots and chopped walnuts.
Pour the batter into the pan.
Bake at 180°C (356°F) for 30–35 minutes in a preheated oven.
Once fully cooled, spread the cream cheese frosting on top.