Step 1, Heat oil in a large soup pot over medium heat. Add celery, carrots, onion, green pepper, and garlic; saute about 8 minutes. Step 2, Stir in tomato paste, and cook 1 minute. Add clam juice, potatoes, canned tomatoes with juice, Worcestershire sauce, jalapeno pepper, bay leaf, and ground black pepper. Simmer until potatoes are tender, stirring about every 30 minutes. Step 3, Add fish. Simmer until snapper is easily flaked with fork, about 10 minutes.
Southern Illinois Chowder is a thick stew or soup, very different from the New England and Manhattan chowders.The term "chowder" is of French-Indian origin. In Edwards County, Illinois, it refers to both the food and to the social gathering at which it is prepared and served.