** cheese can be swiss, mozzarella or cheddar (2 cups grated)
Put the grater attachment on your food processor. Cut the zucchini to fit the feed tube. Grate, using firm pressure. Transfer to a strainer and sprinkle with salt. Let stand 10 minutes. Press out all liquid.
Grate cheese and onion, using medium pressure. Do Not Empty Bowl. Remove grater and insert plastic knife [or steel knife is just fine also]. Add remaining ingredients except parmesan cheese to processor bowl. Process with 3-4 quick on/off turns, just until mixed. Place in a greased 9 inch pie plate or ceramic quiche dish. Sprinkle with parmesan cheese. Bake at 350~ for 35-40 minutes, until set and golden brown.