PREHEAT oven to 375°F. Press dough evenly onto bottom and halfway up sides of greased 13x9-inch baking dish. Top with chicken, tomato, green pepper and onion. Sprinkle with Parmesan cheese.
BEAT eggs, water and seasoning in small bowl with wire whisk until well blended; pour over ingredients in baking dish.
BAKE 30 min. or until center is puffed and edges are set. Let stand 5 min. Cut into 6 squares to serve.