1 can (10 ounces) diced tomatoes and green chilies, undrained
1 bay leaf
1/8 to 1/4 teaspoon white pepper
1/8 to 1/4 teaspoon cayenne pepper
Dash hot pepper sauce
3 cups cooked small shrimp
1/3 cup minced fresh parsley
Heat oil in a heavy saucepan over medium heat. Carefully add flour; cook and stir until golden brown, about 6-8 minutes. Reduce heat to low. Add the celery, onion, green pepper and green onions; cook and stir for 5 minutes. Add garlic; cook 1 minute longer. Add the corn, tomatoes, bay leaf, white pepper, cayenne and pepper sauce; bring to a boil. Reduce heat; cover and simmer for 30-40 minutes.
Stir in shrimp and parsley; heat through. Discard bay leaf.