Whisk flour, cinnamon, baking soda, and salt in a large bowl.
Whisk oil, sugar, eggs, and vanilla in a medium bowl. Stir in the grated zucchini.
Pour the wet into the dry ingredients and whisk just until combined.
Grease 9x5" loaf pan and pour the batter into the pan!
Bake at 350F for 60-65 minutes!