Combine all ingredients in saute pan, except calamari and crabmeat. Cover and cook 3 minutes or until all shellfish have opened. Add calamari and heat 1 minute. Place cioppino in bowl and place crabmeat on top. Top with garlic toast.
In food processor, chop onions, celery, and fennel. Heat oil and add vegetables. Cook for 5 minutes. Add clam juice, clam base, salt, pepper, fennel seed, chili flakes and tomato sauce. Cook for 30 minutes on low heat.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.