Cook zucchini, peppers and onion in salted water until barely tender. Cool and drain. Mix eggs, milk, cheese, salt, pepper, baking powder, flour and parsley. Fold in cooked (cooled) zucchini.Spray a 13"x9" glass baking dish with Butter Flavored No-Stick Spray. Sprinkle bottom and sides with bread crumbs. Pour in the squash mix and sprinkle with more bread crumbs as a topping. Dot with butter.Bake at 325 degrees for 30 minutes. Serves 12 (1 cup servings, approx)Number of Servings: 12Recipe submitted by SparkPeople user PHAMM13.