1/2 cup peanut oil, or other vegetable oil
1/2 cup flour
1 green pepper, chopped
1 medium onion, chopped
3 celery stalks, chopped
4 garlic cloves, minced
1 Tbsp Cajun seasoning
1 quart shellfish* or chicken stock, plus 1 cup water
2 teaspoons Worcestershire sauce
8-12 ounces smoked andouille sausage, cut into 1/4-inch thick rounds
2 pounds shrimp, peeled and deveined
Salt and pepper to taste
3-5 green onions, white and green parts, chopped
File powder (optional)
Hot sauce (such as Tabasco) to taste