01 -
Preheat oven to 350°F (175°C). Grease and flour a 9x13 inch baking pan.
02 -
In a large bowl, cream together the softened butter and granulated sugar until light and fluffy.
03 -
Beat in the eggs one at a time, then stir in the vanilla extract.
04 -
In a separate medium bowl, whisk together the all-purpose flour, baking soda, salt, cinnamon, nutmeg, and cloves.
05 -
Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
06 -
Fold in the grated zucchini.
07 -
Pour the batter into the prepared baking pan and spread evenly.
08 -
Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
09 -
Let the bars cool completely in the pan on a wire rack.
10 -
While the bars cool, prepare the frosting. In a small bowl, whisk together the powdered sugar and milk until smooth. Add more milk if needed to reach the desired consistency.
11 -
Once the bars are completely cool, spread the frosting evenly over the top. Cut into squares and serve.