01 -
Preheat your oven to 375°F. Cook 12 oz penne pasta according to package directions until al dente. Drain well and set aside. This foundational step ensures your Easy Chicken Penne Casserole Recipe starts perfectly.
02 -
In a large oven-safe skillet or Dutch oven, melt 2 tbsp unsalted butter over medium heat. Add 1/2 cup diced yellow onion and cook for 3-4 minutes until softened. Stir in 2 cloves minced garlic and cook for another minute until fragrant.
03 -
Sprinkle 2 tbsp all-purpose flour into the skillet, stirring for 1 minute. Gradually whisk in 1 1/2 cups chicken broth and 1 1/2 cups whole milk until smooth. Bring to a simmer, then reduce heat. Stir in 4 oz softened cream cheese until melted and smooth, creating the heart of your Easy Chicken Penne Casserole Recipe.
04 -
Remove from heat. Stir in the cooked penne pasta, 2 cups shredded cooked chicken, 1 cup frozen peas, 1 cup shredded sharp cheddar cheese (reserve 1/2 cup for topping), 1 tsp dried Italian seasoning, 1 tsp salt, and 1/2 tsp black pepper. Mix until everything is well combined for your delicious Easy Chicken Penne Casserole Recipe.
05 -
If not using an oven-safe skillet, transfer the mixture to a 9x13 inch baking dish. Sprinkle the remaining 1/2 cup sharp cheddar cheese over the top. Bake for 20-25 minutes, or until bubbly and the cheese is melted and lightly golden. This step brings the Easy Chicken Penne Casserole Recipe to perfection.
06 -
Remove the casserole from the oven and let it rest for 5-10 minutes before serving. Garnish with 2 tbsp fresh chopped parsley. This allows the sauce to set, making for easier and more enjoyable serving.