Preheat oven to 375F. Combine first five ingredients in a food processor or blender; blend for 20 seconds. Set aside 2/3 cup of mixture for topping. Dip zucchini in two egg whites; coat with crumb mixture and place and place on two baking sheets prepared with olive-oil spray. Bake for 12-15 mins. Mix ricotta, six remaining egg whites, parsley, and salt. Spread half the spaghetti sauce in a 13x9-inch baking pan. Layer 1/3 of zucchini, 1/2 the ricotta mixture, and 1/3 of mozzarella. Repeat layers and top it off with remaining zucchini, spaghetti sauce, and mozzarella. Sprinkle reserved 2/3 cup crumb mixture and bake for 45 minutes. Let cool for 10 min., cut into sqaures, and serve. Recipe By : Shape