Cacciuccol (Fisherman's Soup)

Ingredients

• 1 tablespoon, extra-virgin olive oil
• 1 tablespoon, butter
• 1 large, onion – coarsely chopped
• 1/2 cup, celery – chopped
• 6 cloves, garlic – minced
• 2 cans 14 oz., diced tomatoes
• 2 sprigs, fresh rosemary – chopped
• 1/4 cup, parsley – chopped
• 1 teaspoon, dried crushed red pepper
• 1 tablespoon, flour
• 1 cup, dry white wine
• 1 can 14 oz, chicken broth
• 10 ounces, Alaskan Cod (or other firm fleshed white fish)
• 10 ounces, uncooked large shrimp – peeled and deveined
• Sea Salt
• Extra-Virgin olive oil