Preheat oven to 350 degrees. Cook the noodles according to package directions. In a large bowl, mix the noodles, tomato sauce and cheese together well. Pour into large round casserole dish. Pour 1 cup chicken broth over mixture. Let stand for 15-20 minutes. Pour remaining broth over mixture and bake for 45-60 minutes or until bubble in center. Let stand 10 minutes before serving.