Add oil to blender.
Add enough chopped zucchini to equal 3 cups when blended. Use the measure lines on your blender.
Add salt, baking powder & baking soda. Add egg. Blend.
Add vanilla and cinnamon. Blend.
In a bowl, whisk the flour and sugar until blended. Add the blender mix and mix well, OR if your blender is large and high powered, just add the flour/sugar mixture into the blender a cup at a time and blend until well combined.
The second time I made it I didn't have quite enough zucchini to make it to 3 cups, so I threw a few peeled carrots into the blender, enough to make it to the 3 cup line. It was really good, and added even more sweetness!