Spicy Seafood Gumbo

1 cup vegetable oil
1 cup flour
4 medium onions, chopped
8 stalks celery, chopped
3 cloves Garlic, minced
4 (15 oz) cans chicken broth
2 (28 oz) cans chopped tomatoes
1 pound sliced okra
1/4 cup Worcestershire sauce
1 tablespoon hot sauce
5 bay leaves
1/2 cup fresh parsley, minced
2 Tablespoons Creole seasoning
1 teaspoon pepper
2 pounds shrimp, peeled
1 quart oysters, undrained
1 pound crab meat
1 pound catfish fillets, cut into small cubes

In a large skillet, make a roux by combining oil and flour. Cook over medium heat for 20 minutes, stirring constantly, until roux is golden brown, . Stir in onion, celery, and garlic; cook 10 minutes, stirring occasionally. Transfer mixture to a Dutch oven. Add everything else EXCEPT the seafood. Simmer 2 hours, stirring occasionally. Add oysters, crab meat, and fish to pot simmer 10 to 15 minutes. While pot is simmering, Peel and devein shrimp. Add shrimp, turn off heat, and simmer for 3 minutes. Remove and discard bay leaves. Serve gumbo over hot rice and sprinkle with file if desired.