Preheat oven to 375 degrees.Fry ground beef, onion and green bell pepper in a large frying pan.Drain fat.Stir in tomato sauce, beans, and seasoning.Simmer while preparing crust.Separate crescent rolls into 8 triangles.Place in an ungreased 9" pie pan.Press bottom and sides to form a crust.Combine egg and 1 cup cheese. Spread over crust, evenly.Spoon hot meat mixture into crust. Sprinkle with remaining cheese.Bake for 20 to 25 minutes.Serves 6.