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Close up of broccoli quinoa casserole
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5 from 3 votes

Broccoli Quinoa Casserole

This healthy broccoli quinoa casserole is easy to prepare ahead for easy weeknight dinners! Packed with chicken, broccoli, and quinoa, it's meal prep and freezer friendly.
Prep Time10 mins
Cook Time30 mins
Total Time40 mins
Course: Dinner, Main Course
Cuisine: American
Diet: Gluten Free
Servings: 4 servings
Calories: 506kcal


  • 9 x 9 Inch Baking Dish


  • 2 cups cooked quinoa
  • 2 cups cooked chicken see note 1
  • 3 cups steamed broccoli
  • 1 egg
  • ½ cup chicken stock
  • 2 cups cheese shredded; divided in half
  • ½ teaspoon dried basil
  • ½ teaspoon dried oregano
  • ¼ teaspoon salt
  • ¼ teaspoon pepper


  • Cook quinoa - Cook quinoa according to package directions on the stovetop, in a rice cooker, or in an Instant Pot (see note 2).
    quinoa fluffed up after cooking in the rice cooker
  • Cook broccoli- Heat ½ inch water in a pan or pot. Add broccoli florets, cover, and steam for 3-5 minutes, until bright green and soft in the middle.
  • Combine - Heat oven to 350°F. Spray a deep 9 x 9 inch baking dish with oil and set aside. In a large bowl, mix together the quinoa, cooked chicken, broccoli, egg, chicken stock, half the cheese, and all spices.
    Press into the prepared baking dish, and sprinkle with remaining cheese.
  • Bake - Cover and bake for 40 minutes. Remove cover and bake uncovered for 5-10 more minutes.
    Close up of broccoli quinoa casserole
  • Serve - Portion into bowls, and enjoy!


These are *large* servings, you could cut back the portion size and get 6 servings
  1. Start with cooked, cooled chicken. You can use rotisserie chicken, or cook your own in the Instant Pot
  2. When cooking quinoa in the Instant Pot it's important to halve the cooking liquid 
Meal Prep
To meal prep this broccoli quinoa casserole as a freezer meal, we recommend:
  1. assembling all ingredients up to step 3
  2. be sure to use a metal casserole dish to avoid the risk of glass breaking
  3. freeze (assembled but unbaked).
  4. thaw completely, then bake up as directed.
Fridge - Cool completely after baking. Store in the fridge in the baking dish (covered), or portioned out into meal prep containers for up to 4 days.
Reheat - at 350°F in the oven. Cover the casserole to reheat. I love these reusable silicone baking dish covers to reduce my foil waste!


Serving: 1/4 batch | Calories: 506kcal | Carbohydrates: 26g | Protein: 39g | Fat: 26g | Saturated Fat: 13g | Cholesterol: 153mg | Sodium: 636mg | Potassium: 637mg | Fiber: 4g | Sugar: 2g | Vitamin A: 1080IU | Vitamin C: 60.9mg | Calcium: 477mg | Iron: 3.6mg