Ravioli Stew

2 tablespoons olive oil or 2 tablespoons vegetable oil 1 medium onion , chopped 2 medium carrots , diced 2 celery ribs , diced 1 medium green bell pepper ,[...]

2 cups carrots (sliced) 1 cup onion (chopped) 2 (14 ounce) cans chicken broth 2 (14 ounce) cans Italian-style diced tomatoes , undrained 1 (19 ounce) can[...]