01 -
Grate zucchinis and set aside. Preheat the oven to 350°F (175°C). Grease a 9x13 inch baking pan or line with parchment paper.
02 -
In a large bowl, whisk together eggs, granulated sugar, light brown sugar, oil, and orange zest until smooth and combined.
03 -
In a separate bowl, sift or whisk together flour, baking powder, baking soda, ground cinnamon, ground nutmeg, ground cardamom, and salt.
04 -
Gradually add the dry ingredients into the wet mixture, whisking gently until just combined. Fold in the grated zucchini, ensuring even distribution without overmixing.
05 -
Pour the batter into the prepared pan and spread evenly. Bake in the preheated oven for 35 to 40 minutes, or until a toothpick inserted in the center comes out clean. Allow the cake to cool completely in the pan.
06 -
Beat softened cream cheese and butter together until light and fluffy. Gradually add powdered sugar, cinnamon, and nutmeg, mixing until smooth and spreadable.
07 -
Spread the frosting evenly over the cooled cake. Refrigerate to set if desired before slicing and serving.