- In a large pot or Dutch oven, heat olive oil over medium heat. Add chopped onions and shallots and sauté until translucent, about 3 minutes. 
- Add onion, cook 1 or 2 minutes. Add next nine ingredients, tomatoes through bay leaf, bring to a boil. Reduce heat and simmer on low for about 40-45 minutes. 
- Add clams and mussels, cover and cook on low for about 5 minutes or until shells begin to open. Add fish, shrimp and/or crab and cook an additional 5 minutes or until fish is cooked through and clams and mussels are opened. Discard any unopened mollusks. 
- Adjust seasoning, adding more more salt or red pepper if desired. 
- Add fresh chopped parsley and basil. 
- Serves 4. Can easily be doubled or tripled.