Tomato Fish Chowder Recipe

Name: Tomato Fish Chowder Recipe
Ingredients: 1/2 lb. halibut fillet (skinless, chopped); 1/2 lb. salmon fillet (skinless, chopped); 20 raw shrimps (peeled and deveined); 1/2 lb. sea scallops; 1 red onion (diced); 2 garlic cloves (minced); 2 celery stalks (diced); 1 small fennel bulb (diced); 1/2 tsp. chili flakes; 2 cups fish or chicken stock; 2 cups tomato sauce; 1 cup butternut squash (grated); Juice from 1/2 lemon; 1/4 cup fresh flat-leaf parsley (chopped); Cooking fat; Sea salt and freshly ground black pepper