Spicy and Cheesy Creole Shrimp Mac and Cheese

Ingredients

• 8 ounces elbow macaroni
• 1 pound shrimp, peeled and deveined
• 1 tablespoon cajun seasoning
• 2 tablespoons butter
• 1 small onion, diced
• 1 bell pepper, diced
• 2 cloves garlic, minced
• 2 cups shredded cheddar cheese
• 1 cup shredded mozzarella cheese
• 1/2 cup grated Parmesan cheese
• 2 cups milk
• 1/4 cup all-purpose flour
• 1/4 teaspoon cayenne pepper
• Salt and black pepper to taste
• Fresh parsley, chopped (for garnish)