Healthier Broccoli Chicken Casserole

Name: Healthier Broccoli Chicken Casserole
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: Italian
Ingredients: 8 ounces uncooked pasta* (I used whole-wheat rotini); 1 large head of broccoli* (cut into bite-sized florets (about 1 pound of florets)); 2 tablespoons butter or olive oil; 1 small white onion (thinly sliced); 8 ounces baby bella (cremini) mushrooms (thinly sliced); 4 cloves garlic (minced); 3 tablespoons flour; 1 cup chicken or vegetable stock; 1 1/2 cups milk; 1 teaspoon Dijon mustard; 1/2 teaspoon fine sea salt; 1/4 teaspoon freshly-cracked black pepper; 2 cups (8 ounces) shredded sharp cheddar cheese (divided); 2 cups diced (or shredded) cooked chicken

Instructions

Prep:15minCook:45min

This hearty Broccoli Chicken Casserole recipe is made with your choice of pasta, tender chicken and broccoli, and the most delicious creamy cheddar mushroom sauce. See notes above for possible ingredient variations too.

Updated at: Sun, 16 Aug 2026 00:47:27 GMT