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Creamy Cajun Chicken Pasta Bake

A creamy, spicy pasta bake featuring Cajun-seasoned chicken, rich cream cheese, and melting cheddar, perfect for weeknight dinners or potlucks.
Prep Time 30 minutes
Cook Time 25 minutes
Total Time 55 minutes
Course Casserole, Dinner, Main Course
Cuisine American, Comfort Food
Servings 6 servings
Calories 600 kcal

Ingredients
  

Pasta and Chicken

  • 12 oz penne or rotini pasta (penne holds sauce well; rotini offers more surface area)
  • 2 pieces boneless skinless chicken breasts, cubed
  • 1 tablespoon Cajun seasoning (adjust to taste)

Vegetables

  • 1 small onion, diced
  • 1 piece red bell pepper, diced
  • 3 cloves garlic, minced

Sauce Ingredients

  • 8 oz cream cheese, softened
  • 1 cup heavy cream
  • 1 cup chicken broth (low-sodium if preferred)
  • 1 cup shredded cheddar cheese (sharp cheddar adds flavor)
  • ½ cup grated Parmesan cheese
  • 1 teaspoon paprika (smoked paprika for extra depth)
  • Salt and freshly ground black pepper (to taste)

Garnish

  • Chopped parsley (optional, for garnish)

Instructions
 

Preparation

  • Preheat oven to 375°F (190°C). Grease a 9x13-inch baking dish.
  • Cook the pasta in salted boiling water until al dente, then drain and set aside.
  • Heat olive oil in a large skillet over medium heat. Toss cubed chicken with Cajun seasoning.
  • Add chicken to the skillet and cook 5–7 minutes, stirring occasionally, until browned and cooked through (165°F internal). Remove chicken to a plate.
  • In the same skillet, add the onion and red bell pepper. Sauté for 3–4 minutes until softened.
  • Add minced garlic and cook for 30 seconds until fragrant.

Sauce Preparation

  • Lower heat and add softened cream cheese to the vegetables. Stir until melted.
  • Pour in heavy cream and chicken broth, stirring to create a smooth sauce.
  • Add shredded cheddar, grated Parmesan, paprika, salt, and pepper to the skillet. Stir until the cheeses melt and the sauce is creamy.

Combining and Baking

  • Return the cooked chicken to the skillet. Add the drained pasta and toss gently to coat everything evenly.
  • Transfer the mixture to the prepared baking dish. Smooth the top and sprinkle extra cheddar or Parmesan if desired.
  • Bake for 20–25 minutes until the top is golden and bubbly.
  • Let rest for 5 minutes before serving. Garnish with chopped parsley if desired.

Notes

For a lighter version, use half-and-half instead of heavy cream and reduce cream cheese to 6 oz. Don't overcook the pasta — undercook by 1-2 minutes if you prefer a firmer bite after baking.
Keyword Cajun Chicken Pasta, Comfort Food, Family Meal, Pasta Bake, Quick dinner