When you make the batter for the bread, you will need unpeeled, grated zucchini. Some people use the shredding holes on a box grater to grate zucchini. If you use a box grater, be careful as the piece of zucchini gets smaller; it’s easy to scrape yourself. If you have a food processor with a grating blade, grating zucchini is quicker and easier. You can also grate it in a high speed blender, such as a Ninja, Blendtec, or Vitamix.