Chicken Broccoli Casserole with Quinoa Recipe

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Valerie Published: March 19, 2021 Modified: October 27, 2021
Chicken Broccoli Casserole with Quinoa Recipe

How To Make Chicken Broccoli Casserole with Quinoa

Hearty and tasty, this chicken broccoli casserole has layers of savory quinoa, steamed broccoli, and tender chicken breast made creamy with white sauce.

Preparation: 15 minutes
Cooking: 40 minutes
Total: 55 minutes


  • 1¼lbschicken breasts,skinless, boneless, cooked and diced
  • 12ozbroccoli florets,(about 4 cups), diced and steamed just until tender
  • 1½cupsdry quinoa
  • 2cupslow-sodium chicken broth
  • 1½tbspbutter
  • 1½tbspextra virgin olive oil
  • 1cupfinely chopped onion,(about 1 medium onion)
  • 1clovegarlic,minced
  • 3tbspall-purpose flour
  • 2cupsmilk
  • ¼tspdried thyme
  • salt and freshly ground black pepper,to taste
  • 4ozfinely shredded parmesan cheese,(about 1 cup slightly packed), divided
  • ¾cupsour cream
  • 1tbsplemon juice
  • 1tbspchopped fresh parsley,or 1 tsp dried


  1. Cook quinoa according to directions replacing 2 cups of water with 2 cups of chicken broth. Preheat oven to 325 degrees F. 

  2. In a large skillet, melt butter along with olive oil. Add in onion and saute over medium heat until soft. Add in garlic and flour and cook, stirring constantly for 1 minute.

  3. While whisking slowly pour in milk, then add in thyme and season with salt and pepper to taste. 

  4. Cook, stirring constantly until thickened then remove from heat and stir in ½ of the parmesan cheese, then mix in sour cream, lemon juice, and fresh parsley.

  5. To assemble, butter a 13x9-inch baking dish and spread ½ of the cooked quinoa into an even layer at the bottom of the baking dish. Then spread steamed broccoli into an even layer over quinoa, followed by chicken then remaining cooked quinoa. 

  6. Pour white sauce evenly over top and spread into an even layer and sprinkle top with remaining parmesan cheese.

  7. Bake in preheated oven for 25 minutes.

  8. Serve warm.


  • Calories: 458.97kcal
  • Fat: 23.68g
  • Saturated Fat: 9.93g
  • Trans Fat: 0.16g
  • Monounsaturated Fat: 8.47g
  • Polyunsaturated Fat: 3.34g
  • Carbohydrates: 32.45g
  • Fiber: 2.94g
  • Sugar: 4.81g
  • Protein: 29.88g
  • Cholesterol: 78.03mg
  • Sodium: 776.52mg
  • Calcium: 318.52mg
  • Potassium: 701.87mg
  • Iron: 3.02mg
  • Vitamin A: 197.01µg
  • Vitamin C: 42.81mg
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