This cheesy chicken cauliflower rice casserole is a creamy, satisfying, low-carb dinner packed with protein, hidden veggies, and gooey melted cheese.
It’s a comforting one-dish meal the whole family will devour—and no one will miss the carbs!
Why You’ll Love This Recipe
Wholesome & filling – Packed with chicken, cauliflower, and cheese.
Low-carb friendly – Cauliflower rice makes a great alternative to grains.
One-dish wonder – Easy clean-up and perfect for busy weeknights.
Creamy & cheesy – Rich in flavor with a golden crust.
Make-ahead option – Preps easily for meal prep or potlucks.
What You’ll Need (Ingredient Highlights)
Shredded chicken – Use rotisserie chicken or leftover baked chicken.
Cauliflower rice – Store-bought or homemade from fresh cauliflower.
Cream cheese or Greek yogurt – Adds creaminess (use yogurt for a lighter version).
Shredded cheddar – Or a blend with mozzarella or parmesan.
Spices – Garlic powder, onion powder, paprika, salt, and pepper.
Olive oil – For sautéing the cauliflower rice.
Optional veggies – Try chopped spinach, broccoli, or mushrooms.
Pro Tips Before You Start
Drain excess moisture – Sauté cauliflower rice until dry for better texture.
Use softened cream cheese – It mixes easier and creates a smooth filling.
Add greens – Sneak in spinach or broccoli for extra nutrients.
Top with more cheese – For a crisp, golden topping.
Prep ahead – Assemble the casserole and refrigerate until ready to bake.
How to Make Cheesy Chicken Cauliflower Rice Casserole
Step 1: Prep Your Ingredients
Preheat oven to 375°F (190°C). Cook and shred chicken if not using rotisserie.
Prepare cauliflower rice.
Step 2: Sauté the Cauliflower Rice
Heat olive oil in a skillet.
Add cauliflower rice and sauté for 5–7 minutes until tender and moisture evaporates.
Step 3: Mix the Filling
In a large bowl, combine shredded chicken, sautéed cauliflower rice, cream cheese, half the cheddar cheese, and seasonings.
Stir until smooth. Fold in sautéed veggies if using.
Step 4: Assemble the Casserole
Transfer mixture to a greased 9×13-inch baking dish.
Sprinkle remaining cheese evenly over the top.
Step 5: Bake
Bake uncovered for 20–25 minutes, until cheese is melted and bubbly.
Let cool slightly before serving.
What to Serve It With
Green salad – Adds crunch and freshness.
Roasted veggies – Like asparagus, green beans, or Brussels sprouts.
Low-carb bread – Great for scooping up cheesy bites.
Variations / Substitutions
Make it spicy – Add red pepper flakes or diced jalapeños.
Switch up the cheese – Try gouda, pepper jack, or Monterey Jack.
Use leftover turkey – Perfect post-holiday meal.
Go dairy-free – Use dairy-free cheese and yogurt alternatives.
Storage & Leftovers
Refrigerator – Store in an airtight container for up to 4 days.
Freezer – Freeze individual portions up to 2 months. Reheat in oven or microwave.
Meal prep – Divide into containers for ready-to-go lunches.
FAQs
Can I use frozen cauliflower rice?
Yes—just sauté it until dry before mixing in.
Is this keto-friendly?
Yes, especially if you use full-fat dairy options.
Can I prep it ahead of time?
Absolutely! Assemble the casserole and refrigerate up to 24 hours before baking.
Can I add eggs to bind it?
You can, but it’s creamy enough without them.
Is Greek yogurt better than cream cheese?
Yogurt is lighter and tangier; both work well depending on preference.
Can I make it vegetarian?
Yes—skip the chicken and add more vegetables or use plant-based protein.
Can I reheat it in the microwave?
Definitely—reheat until hot and bubbly.
Final Thoughts
This cheesy chicken cauliflower rice casserole is the ultimate low-carb comfort food—rich, creamy, and packed with nourishing ingredients.
It’s a satisfying way to enjoy indulgent flavors while staying on track with healthy goals.

Cheesy Chicken Cauliflower Rice Casserole
Ingredients
- 3 cups shredded chicken rotisserie or cooked
- 4 cups cauliflower rice store-bought or homemade
- 8 oz cream cheese softened or use Greek yogurt
- 1 cup shredded cheddar cheese divided
- 1 tsp garlic powder
- 1 tsp onion powder
- ½ tsp paprika
- ½ tsp salt
- ½ tsp black pepper
- 1 tbsp olive oil
- Optional: 1 cup chopped spinach broccoli florets, or sliced mushrooms
Instructions
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- In a skillet, heat olive oil and sauté cauliflower rice for 5–7 minutes until tender.
- In a large bowl, mix chicken, cauliflower rice, cream cheese, half the cheese, and seasonings.
- Stir until smooth.
- Add optional veggies if using.
- Transfer to baking dish and top with remaining cheese.
- See full steps with tips & photos → https://wimpysdiner.net/cheesy-chicken-cauliflower-rice-casserole/
Notes
- To avoid soggy rice, be sure to sauté the cauliflower rice until just tender and most moisture has cooked off.
- Swap in leftover turkey or ham for the chicken if you like.
- This casserole reheats beautifully—store leftovers in an airtight container in the fridge for up to 3 days.