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Ultimate Creamy, Cheesy, Low-Carb Chicken Cauliflower Rice Casserole (Keto & Gluten-Free)

A close-up of a serving of chicken cauliflower rice casserole topped with melted, browned cheddar cheese.
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Create a comforting, family-friendly dinner with this easy, low-carb chicken cauliflower rice casserole. This recipe replaces traditional rice with cauliflower rice for a delicious, keto-friendly, and gluten-free makeover of a classic comfort dish.

Ingredients

Scale
  • 3 cups shredded cooked chicken (rotisserie chicken works well)
  • 4 cups cauliflower rice (fresh or frozen)
  • 1 tablespoon olive oil
  • 1 small yellow onion, diced
  • 2 cloves garlic, minced
  • 8 ounces cream cheese, softened
  • 1 cup heavy cream
  • 1 cup chicken broth
  • 1 cup shredded cheddar cheese, divided
  • 1/2 cup shredded mozzarella cheese
  • 1 teaspoon dried Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/2 cup broccoli florets (optional, for color and nutrients)

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
  2. If using frozen cauliflower rice, thaw it slightly and press out any excess moisture using a clean kitchen towel or paper towels.
  3. Heat the olive oil in a large skillet over medium heat. Add the diced onion and cook until soft, about 5 minutes. Add the minced garlic and cook for 1 minute more until fragrant.
  4. Add the cauliflower rice and optional broccoli florets to the skillet. Sauté for 5 to 7 minutes until the cauliflower rice has softened slightly.
  5. In a large bowl, combine the softened cream cheese, heavy cream, and chicken broth. Whisk until the mixture is smooth and creamy.
  6. Stir in the Italian seasoning, salt, and pepper into the cream mixture.
  7. Add the shredded chicken, the cooked cauliflower rice mixture, 1/2 cup of the cheddar cheese, and all of the mozzarella cheese to the cream sauce. Mix gently until everything is evenly coated.
  8. Transfer the mixture to your prepared baking dish. Sprinkle the remaining 1/2 cup of cheddar cheese evenly over the top.
  9. Bake for 20 to 25 minutes, or until the casserole is bubbly and the cheese topping is melted and lightly golden brown.
  10. Let the casserole rest for 5 minutes before serving. This is a great keto chicken dinner for meal prep.

Notes

  • For an extra layer of flavor, use rotisserie chicken and reserve a small amount of the seasoned skin to mix in.
  • If you prefer a lighter dish, substitute the cream cheese with plain Greek yogurt, though the texture will be slightly less rich.
  • This recipe is excellent for batch cooking; it reheats well for quick weeknight meals.

Nutrition

Find it online: https://www.unfoldrecipes.com/chicken-cauliflower-rice-casserole/