Main Dish:

• 1 tablespoon olive oil
• 1 tablespoon 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
• 1/4 cup tomato paste
• 1 cup seafood or chicken broth
• 1 teaspoon Creole seasoning
• 1/2 teaspoon dried thyme
• 1/2 teaspoon smoked paprika
• 1/4 teaspoon cayenne pepper (optional)
• 1 bay leaf
• Salt and black pepper to taste
• 1/2 pound shrimp (peeled and deveined)
• 1/2 pound scallops
• 1/2 pound lump crabmeat or firm white fish (like cod)
• 2 tablespoons chopped fresh parsley
• Cooked white rice for serving
• Lemon wedges for garnish