For sauce: cook vegetables in butter until tender. Stir in remaining ingredients. Cook lasagna noodles until tender, drain and rinse. Layer ½ of noodles in 9"x13" dish. Cover with ½ sauce, cottage cheese, chicken, Festival Blend and cheddar cheese. Repeat layers. Top with Parmesan cheese. Bake at 350° for 1 hour. Serves 8-10.