Preheat the oven to 200 ° C (convection). Mix the eggs, sweetener, cinnamon, egg white powder and baking powder until frothy. Then stir in the zucchini grated and ground almonds.
Line any baking pan with parchment paper. Pour in the batter and bake the cake for 45 minutes. After about half the baking time, cover the cake with aluminum foil, otherwise it will be too dark. Let cool in the mold.