A wholesome casserole that’s both comforting and nutritious, this Chicken Cauliflower Rice Casserole is proof that healthy eating doesn’t mean sacrificing flavor. Packed with tender chicken, creamy sauce, melted cheese, and low-carb cauliflower rice, it’s a dish that feels indulgent yet keeps things light. Perfect for weeknights, family dinners, or even meal prep,it’s a recipe that belongs on repeat.

Ingredients List
- 2 tablespoons olive oil
- 1 medium onion, finely chopped
- 2 garlic cloves, minced
- 3 cups cooked chicken breast, shredded
- 4 cups cauliflower rice (fresh or frozen, thawed)
- 1 cup broccoli florets (optional, for extra veggies)
- 1 cup sour cream or Greek yogurt
- 1 cup shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- ½ teaspoon paprika
- ½ teaspoon dried thyme
- ½ teaspoon salt
- ½ teaspoon black pepper
- 2 tablespoons fresh parsley, chopped (for garnish)
Step-by-Step Instructions
Step 1: Prepare the cauliflower rice
In a large skillet, heat olive oil over medium heat. Add chopped onion and sauté until soft and translucent, then stir in garlic and cook for another 30 seconds. Add cauliflower rice and cook for 5–6 minutes until just tender.
Step 2: Mix the casserole base
In a large bowl, combine shredded chicken, cooked cauliflower rice mixture, sour cream (or Greek yogurt), half of the mozzarella cheese, Parmesan cheese, paprika, thyme, salt, and pepper. Stir well until evenly mixed.
Step 3: Assemble the casserole
Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish and spread the mixture evenly into the dish. Sprinkle the remaining mozzarella cheese on top.
Step 4: Bake until golden
Bake for 25–30 minutes until the cheese is melted, bubbly, and lightly golden on top. Remove from oven and let it rest for 5 minutes before serving. Garnish with fresh parsley.
Cook Time
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings
Serves 6
Nutritional Information (approx. per serving)
- Calories: 285
- Protein: 25g
- Carbohydrates: 8g
- Fiber: 3g
- Fat: 15g
Storage Instructions
- Refrigerate: Store leftovers in an airtight container for up to 4 days.
- Freeze: Freeze portions in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.
- Reheat: Warm in the oven at 350°F (175°C) or in the microwave until heated through.
Suggestions
- Add chopped spinach, mushrooms, or zucchini for extra vegetables.
- Swap sour cream with cream cheese for a richer texture.
- For added crunch, top with almond flour breadcrumbs before baking.
Seasonal Relevance
This casserole is especially perfect for fall and winter, when warm, hearty meals are most comforting. However, thanks to cauliflower rice, it’s also a smart choice for spring and summer when lighter meals are welcome.
Conclusion
The Chicken Cauliflower Rice Casserole Recipe is everything you want in a weeknight dinner, simple, filling, flavorful, and nourishing. It’s family-friendly, meal-prep friendly, and versatile enough to customize with your favorite add-ins. Once you make it, this casserole will become a staple in your kitchen.
Chicken Cauliflower Rice Casserole Recipe
5
servings15
minutes30
minutes285
kcalA wholesome, low-carb comfort dish made with shredded chicken, cauliflower rice, creamy sauce, and melted cheese. This casserole is both hearty and healthy, making it a perfect choice for family dinners or meal prep.
Ingredients
2 tablespoons olive oil
1 medium onion, finely chopped
2 garlic cloves, minced
3 cups cooked chicken breast, shredded
4 cups cauliflower rice (fresh or frozen, thawed)
1 cup broccoli florets (optional)
1 cup sour cream or Greek yogurt
1 cup shredded mozzarella cheese
½ cup grated Parmesan cheese
½ teaspoon paprika
½ teaspoon dried thyme
½ teaspoon salt
½ teaspoon black pepper
2 tablespoons fresh parsley, chopped
Directions
- Heat olive oil in a skillet, sauté onion until soft, add garlic, then stir in cauliflower rice. Cook 5–6 minutes.
- In a bowl, combine shredded chicken, cauliflower mixture, sour cream, half of mozzarella, Parmesan, paprika, thyme, salt, and pepper. Mix well.
- Transfer to a greased 9×13-inch baking dish, top with remaining mozzarella.
- Bake at 375°F (190°C) for 25–30 minutes until golden and bubbly.
- Rest 5 minutes before serving. Garnish with parsley.
Recipe Video
Notes
- Swap sour cream with cream cheese for a richer flavor.
- Add extra vegetables like spinach or zucchini.
- Can be prepared ahead and baked just before serving.
FAQs
Q1: Can I use rotisserie chicken instead of cooked chicken breast?
Yes, rotisserie chicken works perfectly and saves time. Just shred it and mix it into the casserole base.
Q2: How do I make it dairy-free?
Replace the sour cream with a dairy-free yogurt and use vegan cheese alternatives for the mozzarella and Parmesan.
Q3: Can I prepare this casserole ahead of time?
Absolutely. Assemble the casserole up to a day in advance, cover, refrigerate, and bake when ready to serve.
