FIRST STEP: PREPARE THE BROTH

1. Sauté the Vegetables: In a large, heavy-bottomed pot or Dutch oven, heat the olive oil over medium heat. Add the chopped onion and cook, stirring occasionally, for about 5-6 minutes, or until the onion is softened and translucent.
2. Add Garlic and Spices: Add the minced garlic to the pot, cooking for another minute until fragrant. Then, stir in the red pepper flakes, dried oregano, dried basil, and bay leaf, allowing the spices to bloom in the oil and release their flavors.
3. Add the Tomatoes: Pour in the crushed tomatoes and diced tomatoes, stirring to combine. Let the tomatoes cook for about 5 minutes, allowing the flavors to meld and the sauce to thicken slightly.
4. Add Liquid: Add the seafood stock (or water) to the pot, stirring to combine. Bring the broth to a gentle simmer and cook for 15-20 minutes, uncovered, to allow the flavors to develop and the broth to thicken.
5. Season the Broth: Taste the broth and add salt, pepper, and lemon juice to balance the flavors. The lemon juice will brighten up the richness of the tomatoes and seafood, creating a well-rounded broth.

SECOND STEP: COOK THE SEAFOOD

1. Add the Fish: Start by adding the firm white fish fillets (such as cod or haddock) to the simmering broth. These fillets will take the longest to cook, so let them simmer in the broth for about 5-7 minutes, until they start to flake apart with a fork.
2. Add the Shrimp and Mussels: Next, add the shrimp and mussels to the pot. Stir gently to combine. Cook for an additional 5-7 minutes, or until the shrimp are pink and opaque, and the mussels have opened up. Discard any mussels or clams that do not open.
3. Add the Clams and Squid (Optional): If you’re using clams and squid, add them to the pot and cook for another 3-4 minutes. The clams should open up, and the squid should become tender.

THIRD STEP: FINAL TOUCHES

1. Gently Stir: Once all the seafood is cooked through, gently stir the stew to mix the seafood and broth together. Taste again and adjust the seasoning with more salt, pepper, or lemon juice if needed.
2. Garnish and Serve: Ladle the Cioppino into large bowls, ensuring each serving has a variety of seafood. Garnish with freshly chopped parsley for a burst of color and freshness. Serve with lemon wedges on the side, so everyone can squeeze a little extra citrus over their portion for added brightness.
3. Pair with Bread: Cioppino is best enjoyed with some crusty bread or toasted baguette slices to soak up the flavorful broth. Serve the bread alongside or lightly toasted and rubbed with garlic for extra flavor.