Zucchini Bars (MIDDLE SCHOOL)

Thanks for the huge zucchini. Then question became what to make with it, the zucchini bread, or muffins, but wanted something different and found it in this zucchini bars with a cream cheese filling.

ZUCCHINI BARS
3 eggs
2 cups sugar
1 cup canola oil
2 cups zucchini, Grated
3 teaspoons vanilla
2 1/2 cups flour
1/4 teaspoon baking powder
1 teaspoon salt
2 teaspoons baking soda
Frosting
1/2 cup butter, room temperature (not spread or tub product)
1 teaspoon vanilla
1 (3 ounce) package cream cheese, room temperature
2 1/2 cups powdered sugar
milk, as needed
Directions
1.Preheat oven to 350°F and grease/flour 2- 13x9-inch baking pan.
2.Beat eggs; add sugar and oil.
3.Add the zucchini and vanilla; stir to mix well.
4.Sift the dry ingredients together and add to the egg mixture.
5.Pour batter into prepared pan and bake for 20 to 25 minutes, or until done.
6.While the bars are baking, whip the butter and cream cheese until light; add vanilla and powdered sugar.
7.Beat until fluffy, adding a *little* milk as needed if frosting is too thick.
8.Spread frosting on top of the bars when they are cooled.