- Preheat your oven to 350°F (175°C). Grease a loaf pan. 
- In a mixing bowl, whisk together flour, sugar, baking powder, baking soda, and salt. 
- In another bowl, combine grated zucchini, vegetable oil, eggs, lemon juice, lemon zest, and vanilla extract. 
- Pour the wet ingredients into the dry ingredients and stir until just combined. 
- Pour the batter into the prepared loaf pan and bake for 60 minutes, or until a toothpick inserted into the center comes out clean. 
- Allow the bread to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.