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Easy Chicken Alfredo Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.5 from 93 reviews
  • Author: Jasmine
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Total Time: 45 minutes
  • Yield: 8 servings
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

Description

This Chicken Alfredo Casserole is a comforting, creamy pasta bake featuring rotini pasta, rich Alfredo sauce, tender shredded chicken, and a blend of melted mozzarella cheese. It’s an easy, one-dish meal perfect for busy weeknights, requiring minimal prep and oven baking to achieve a cheesy, satisfying dish.


Ingredients

Scale

Primary Ingredients

  • 1 (16 ounce) package uncooked rotini pasta
  • 1 (22 ounce) jar Alfredo sauce (or 1 ½ 15-ounce jars), approximately 2 ½ cups total
  • 3 cups chicken stock (or substitute with chicken broth)
  • 2 cups diced or shredded rotisserie chicken, or other cooked chicken
  • 2 teaspoons minced garlic (about 2 large cloves)

Cheese

  • 2 cups shredded mozzarella cheese or Italian cheese blend

Optional Garnishes

  • Parmesan cheese
  • Chopped fresh herbs, such as basil, oregano, or parsley


Instructions

  1. Preheat and mix ingredients: Preheat your oven to 425°F (220°C). In a large baking dish, combine the uncooked rotini pasta, Alfredo sauce, chicken stock, diced or shredded chicken, and minced garlic. Stir well to evenly distribute all ingredients.
  2. Initial baking: Cover the baking dish tightly with aluminum foil and bake in the preheated oven for 30 minutes. This allows the pasta to absorb the sauce and start cooking.
  3. Check pasta doneness and stir: Remove the foil and stir the mixture well. Check if the pasta is nearly al dente but still firm; if it remains very hard, re-cover and continue baking until it reaches this texture. There will still be some liquid present at this stage, which is normal.
  4. Add cheese and finish baking: Sprinkle the shredded mozzarella or Italian cheese blend evenly over the top of the casserole. Bake uncovered for an additional 5 to 10 minutes until the cheese melts and the pasta finishes cooking to a perfect al dente texture without becoming mushy.
  5. Garnish and serve: Optionally, garnish the casserole with freshly grated Parmesan cheese and chopped fresh herbs such as basil, oregano, or parsley before serving. Enjoy warm.

Notes

  • This recipe requires only about 10 minutes of prep time and uses just one dish, making cleanup minimal.
  • If after the initial 30-minute bake the pasta isn’t sufficiently cooked, extend baking time with the foil on until it is close to al dente before adding the cheese.
  • Use rotisserie or leftover cooked chicken for convenience.
  • Fresh herbs as garnish add a bright, fresh flavor contrast to the creamy casserole.

Nutrition

  • Serving Size: 1/8 of the recipe
  • Calories: 499 kcal
  • Sugar: 3 g
  • Sodium: 1056 mg
  • Fat: 21 g
  • Saturated Fat: 11 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 0 g
  • Carbohydrates: 46 g
  • Fiber: 2 g
  • Protein: 28 g
  • Cholesterol: 105 mg