Shrimp Crab Pasta with Creamy Cajun Dream Sauce

Ingredients

• 1 pound (454g) pasta (linguine, fettuccine)
• 4 quarts (4 liters) water
• 1 tablespoon (15ml) salt
• 1 pound (454g) large shrimp, peeled and deveined
• 8 ounces (227g) lump crab meat, picked over for shells
• 1 tablespoon (15ml) olive oil
• 2 cloves garlic, minced
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 4 tablespoons (56g) unsalted butter
• 1/2 cup (60g) all-purpose flour
• 2 cups (473ml) milk
• 1 cup (237ml) heavy cream
• 1/2 cup (118ml) chicken broth
• 2 tablespoons (30ml) Cajun seasoning blend
• 1/4 teaspoon cayenne pepper (optional)
• 1/4 cup (packed) grated Parmesan cheese
• 2 tablespoons chopped fresh parsley, for garnish