Finely grate the carrot and set aside.
Finely grind the oatmeal.
Combine eggs, honey, oatmeal, and carrot in a bowl and mix well.
Add baking powder, cinnamon, and salt; mix thoroughly.
Pour the batter into a baking pan.
Bake at 170°C for 30-35 minutes in a preheated oven.
Let it cool, then cut into serving-size pieces.