Grate the zucchini on a clean kitchen towel or paper towel and press a to remove a little of the extra moisture.
About 1 and ½ cup grated zucchini
Whisk the flour and egg whites with a pinch of salt & pepper together for form the batter.
¼ cup whole-wheat flour, 2 egg whites, Kosher Salt and Pepper
Add the zucchini to the batter and grate the onion into the bowl. Mix well to combine all the ingredients.
About ½ of an onion grated or diced small
Heat a non-stick frying pan or griddle over medium high heat. Spray with non-stick cooking spray.
Non-stick cooking spray
Form the zucchini batter into patties. The batter may be moist, that’s ok, form it into a patty and plop it in the griddle and press it down a bit, it will hold once it starts to cook. Before you flip sprinkle with salt. Cook for about 4-5 minutes a side or until cake becomes a nice brown.