seafood gumbo recipe

Here's a classic and delicious seafood gumbo recipe for you: Ingredients: 1/2 cup vegetable oil 1/2 cup all-purpose flour 1 large onion, chopped 1 green bell pepper, chopped 2 celery stalks, chopped 4 cloves garlic, minced 6 cups seafood or chicken broth 1 can (14.5 ounces) diced tomatoes