Main Ingredients:

• 1/4 cup unsalted butter
• 1 medium onion, chopped
• 1 green bell pepper, chopped
• 2 celery stalks, chopped
• 4 cloves garlic, minced
• 1 (14.5-ounce) can diced tomatoes, with juice
• 1/4 cup tomato paste
• 1 1/2 cups seafood or chicken stock
• 1 teaspoon paprika
• 1/2 teaspoon dried thyme
• 1/2 teaspoon cayenne pepper, adjust to taste
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 bay leaf
• 1 pound medium shrimp, peeled and deveined
• 1/2 pound lump crabmeat, picked over for shells
• 1/2 pound sea scallops or firm white fish, cut into chunks
• 1 tablespoon fresh lemon juice
• 2 tablespoons chopped parsley
• 2 green onions, sliced
• Cooked white rice for serving