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Creamy Healthy Chicken Broccoli Casserole

This Creamy Healthy Chicken Broccoli Casserole is a comforting and nutritious dish, packed with tender chicken, vibrant broccoli, and a creamy, cheesy sauce—all baked to perfection!
Prep Time15 minutes
Cook Time45 minutes
Total Time1 hour
Course: Main Course
Keyword: chicken broccoli casserole, chicken broccoli casserole recipe, high protein chicken casserole
Servings: 8
Calories: 320kcal

Ingredients

Main Ingredients

  • 2 cups cooked chicken, finely shredded preferably organic
  • 3 cups broccoli florets, fresh
  • 2 tbsp avocado oil or your choice of healthy fat
  • 1 medium onion, chopped
  • 4 cloves garlic, minced
  • 1 cup plain yogurt, whole milk
  • 1/2 cup sour cream Nancy's is recommended
  • 1 1/2 cups shredded cheddar cheese preferably organic
  • 1 tbsp dried dill
  • 1 tbsp dried onion seasoning
  • 1/2 tsp mineral-rich salt
  • 1/2 tsp thyme, dried
  • 1/2 tsp garlic powder
  • 1 lemon juice and zest
  • 1 cup cooked brown rice optional

Instructions

Preparation Steps

  • Preheat your oven to 375°F (190°C) and lightly grease a 9x13 inch casserole dish with avocado oil. Set aside.
  • In a large pot, bring about an inch of water to a boil. Add a steamer basket, then place the broccoli florets inside. Cover and steam for 3-4 minutes until bright green and tender-crisp. Remove from heat, then transfer broccoli into a bowl and set aside.
  • In the same pot, heat the remaining avocado oil over medium heat. Add the chopped onion, garlic, and diced carrots. Sauté for 6-8 minutes until softened and fragrant, then remove from heat.
  • In a large mixing bowl, combine shredded chicken, steamed broccoli, sautéed onion and carrot mixture, yogurt, sour cream, 1 cup of shredded cheddar, dried dill, dried onion seasoning, salt, thyme, garlic powder, lemon juice, lemon zest, and optional cooked brown rice. Stir everything together until well combined.
  • Transfer the chicken and vegetable mixture into the greased casserole dish, spreading it out evenly. Top with the remaining 1/2 cup of shredded cheddar cheese.
  • Bake the casserole in the preheated oven for 35-40 minutes or until the cheese is bubbly and lightly golden. Allow it to cool for about 10 minutes before serving.

Notes

This casserole can be served with a fresh side salad for a complete meal. If you have leftovers, store them in an airtight container in the refrigerator for up to 3 days.
This recipe is an original creation inspired by classic Creamy Healthy Chicken Broccoli Casserole flavors. All ingredient ratios and instructions are independently developed.