Inspired by this recipe from Real Simple
~from Savoring Time in the Kitchen
3 cups grated zucchini, excess moisture squeezed out
1 small onion, chopped
1 cup all-purpose flour
1/2 cup grated provolone cheese
1/2 cup grated mozzarella cheese
3 eggs, beaten
1/4 cup vegetable oil
4 tablespoons grated Parmesan cheese (reserve 1 tablespoon)
1 teaspoon chopped fresh basil
1 teaspoon chopped fresh thyme
1 teaspoon baking powder
1 teaspoon kosher salt
1/2 teaspoon freshly ground black pepper
Preheat oven to 350°F. Spray a 10 inch round glass pie plate lightly with cooking spray.
In a large bowl combine all the ingredients except for 1 tablespoon of the reserved Parmesan cheese and blend gently. Spoon the mixture into the prepared pie plate.
Bake for 45 to 50 minutes or until golden brown. Remove from oven and sprinkle with the reserved Parmesan. Cool for about 10 minutes before slicing.