Chicken Parm Casserole
A cozy, low-carb chicken parmesan casserole that's easy to make, perfect for weeknights, and sure to please picky eaters with its cheesy comfort and Italian flavors.
I’ve made this chicken parm casserole more times than I can count when I need a cozy, low-carb dinner that feels a little indulgent without a lot of effort. It’s the kind of dish that satisfies picky eaters, stretches a rotisserie chicken, and still feels special enough for guests — and it comes together in one skillet before a quick broil.
I also keep a shorter reference post for a similar approach to casseroles if you want a quick comparison: easy chicken parmesan casserole.
Why you’ll love this dish
This casserole hits the highlights people search for: fast, low-carb, family-friendly, and full of classic chicken parmesan flavor without breading or heavy prep. Using cauliflower rice keeps the texture light and reduces carbs, while the cream cheese and parmesan create a silky sauce that clings to the chicken. It’s perfect for busy weeknights, a meal-prep option for lunches, or a simple dinner when you want comforting Italian flavors without a long oven time.
What makes it especially handy: you can use leftover roast or rotisserie chicken, shred or dice the meat, and assemble the skillet in under 20 minutes before a fast broil to finish the cheese.
The cooking process explained
Before you jump into the ingredients, here’s the simple flow so you know what to expect:
- Heat olive oil in a cast iron skillet.
- Sauté cauliflower rice until cooked and excess moisture is reduced.
- Melt cream cheese with seasonings into the cauliflower to build a creamy base.
- Stir in marinara and cooked chicken to warm through.
- Top with shredded mozzarella and parmesan, then broil briefly to brown.
- Garnish with fresh basil and serve.
This overview keeps the active cooking time compact and gives you one pan to clean.
What you’ll need
- 1 Tbsp olive oil
- 4 cups cooked chicken, diced (rotisserie or leftover chicken work great)
- 1 1/2 cups marinara sauce (Rao’s is great)
- 2 cups cauliflower rice (fresh or thawed frozen, squeezed of excess liquid)
- 1+ cup mozzarella cheese, shredded (shred from a block — not pre-shredded)
- 1/2 cup shredded parmesan cheese
- 4 oz cream cheese
- 1 tsp garlic salt
- 1/2 tsp ground black pepper
- 1/2 tsp Italian seasoning
- Garnish: fresh basil and more parmesan cheese
Notes/substitutions: use plain full-fat cream cheese for best texture; Greek yogurt (thick) can replace part of the cream cheese if you want a tangier finish but reduce the heat so it doesn’t separate. If you don’t have cauliflower rice, very finely chopped zucchini or pre-cooked riced broccoli can work in a pinch.
Step-by-step instructions
- Heat the olive oil in a cast iron skillet over medium heat.
- Add the cauliflower rice and sauté, stirring occasionally, until it’s cooked through and any obvious moisture has evaporated, about 4–6 minutes.
- Reduce the heat to medium-low. Add the cream cheese, garlic salt, black pepper, and Italian seasoning. Stir until the cream cheese melts and coats the cauliflower into a creamy mixture.
- Stir in the marinara sauce and the cooked, diced chicken. Simmer gently until the casserole is heated through, about 3–5 minutes. Taste and adjust seasoning.
- Sprinkle the shredded mozzarella evenly over the top, then add the shredded parmesan. Move the skillet under a hot broiler for 1–2 minutes just until the cheese melts and takes on light golden spots — watch closely to avoid burning.
- Remove from the oven and garnish with torn fresh basil and additional parmesan. Serve hot.
Short, clear actions help keep timing accurate, and using a cast iron skillet gives a nice even heat and is oven-safe for the broil step.
01Ingredients
Casserole Base
Toppings
02Method
- Preparation
- Baking
- Serving
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0 OF 7 DONE03Recipe notes
- 01Store leftovers in an airtight container for 3–4 days. Can be frozen up to 2–3 months. Reheat in a 350°F oven or microwave until hot. For variations, try adding sun-dried tomatoes, spinach, or swap chicken for roasted vegetables for a vegetarian option.
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Best ways to enjoy it
This casserole is hearty enough to be the main event. Try these pairings:
- A simple green salad with lemon vinaigrette to cut the richness.
- Roasted asparagus or sauteed green beans for a quick vegetable side.
- For a heartier plate, serve over a small scoop of polenta or whole-grain pasta if you’re not keeping it low-carb.
If you like experimenting with other casserole styles, this low-carb approach pairs well with flavors from a low-carb chicken enchilada casserole for meal-plan ideas (different sauce, same cozy one-pan concept).
Storage and reheating tips
Refrigerator: Store leftovers in an airtight container for 3–4 days. Cool to room temperature before sealing.
Freezing: Portion into freezer-safe containers and freeze up to 2–3 months. Thaw overnight in the fridge before reheating.
Reheating: Reheat in a 350°F oven, covered with foil, until heated through (internal temp 165°F). For single servings, microwave on medium power in 30–60 second bursts, stirring in between, until hot. If reheating from frozen, bake covered at 350°F for 25–40 minutes depending on portion size.
Always reheat until piping hot throughout (165°F) for safety. Avoid leaving the casserole at room temperature for more than two hours.
Creative twists
- Sun-dried tomato and spinach: Stir in chopped sun-dried tomatoes and a handful of baby spinach with the marinara.
- Pesto swirl: Finish with a teaspoon of basil pesto dotted on top before serving for herb-forward brightness.
- Spicy kick: Add 1/4–1/2 tsp crushed red pepper flakes to the cream cheese step for gentle heat.
- Vegetarian version: Replace chicken with roasted cauliflower florets or sliced king oyster mushrooms for a meaty texture.
- Cheesy crust: Mix 1/4 cup panko (or almond flour for low-carb) with 2 tbsp parmesan and toast briefly, then sprinkle on top before broiling for extra crunch.
These swaps let you tailor the casserole to dietary needs and whatever’s in your pantry.
Your questions answered
Can I use store-bought rotisserie chicken?
A: Absolutely. Rotisserie chicken is an ideal shortcut — simply dice or shred and stir in during the marinara step.
Will pre-shredded mozzarella work?
A: It will melt, but freshly shredded from a block gives the best, smooth texture. Pre-shredded often contains anti-caking agents that can change melt quality.
Can I make this ahead and bake later?
A: Yes. Assemble through the step before adding the mozzarella, cover, and refrigerate for up to 24 hours. Add cheese and broil just before serving.
Is this recipe freezer-friendly?
A: Yes. Freeze in portions for up to 2–3 months. Thaw in the fridge overnight and reheat in the oven until 165°F.
How can I lower sodium?
A: Use a low-sodium marinara and reduce or omit the garlic salt; finish with fresh basil and a squeeze of lemon to brighten flavors without added salt.
Conclusion
For more ideas, check out this Chicken Parmesan Casserole from The Cozy Cook.
Enjoy the creamy, cheesy comfort — and remember, a quick broil makes the top irresistible.
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