Whisk cane sugar, brown sugar, vanilla sugar, eggs, and oil together with an electric mixer.
Mix flour, baking powder, baking soda, salt, and cinnamon together in a bowl.
Sift it into the oil/egg mixture and stir together with a spatula.
Fold in the coarsely grated zucchini.
Line a baking pan (approximately 23 x 33 centimeters) with parchment paper and pour the batter in.
Bake the cake for approximately 30 minutes at 185 degrees Celsius (365 degrees Fahrenheit).
Check with a wooden skewer to see if it is fully baked.
Keep the display on
Notes
Zucchini cake is very suitable for freezing, so if you have a lot of zucchinis, you can bake several cakes at once and freeze them.
You can then serve zucchini cake long after the zucchini season is over.