Combine the dry ingredients.
Mix in the oil, eggs, and vanilla until well blended.
Stir in zucchini and carrots.
Pour into greased jelly roll pan (15″x10″).
Bake at 350 degrees for 35 minutes or until a toothpick comes out clean. You can also bake it in 9×13 pan for 45 minutes.
Cool, then top with cream cheese frosting.