Keto Chicken Parmesan Casserole is a low-carb family dinner made with cooked chicken, no-sugar-added marinara, mozzarella, Parmesan, and a crisp pork rind topping. It gives you the cozy baked chicken Parmesan feel without breading each piece, which makes it practical for weeknights, meal prep, or a simple high-protein casserole dinner. I like this recipe when I already have cooked chicken in the fridge because the prep is mostly layering and mixing. The marinara keeps the chicken saucy, the mozzarella melts into a golden top, and the pork rinds add the crunchy finish you would usually expect from crumbs. It is hearty enough for dinner but still simple enough to serve with salad, roasted vegetables, or another low-carb side.

Why You’ll Love This Keto Chicken Parmesan Casserole

This casserole brings classic chicken Parmesan comfort into a simpler low-carb dinner. Here’s why:

• Low-Carb Comfort: Pork rinds replace traditional crumbs, so you still get a crisp topping without adding breaded chicken or pasta to the dish.
• Great for Cooked Chicken: Leftover chicken, rotisserie chicken, or meal-prepped chicken all work well, which keeps the prep calm and efficient.
• Family-Style Dinner: The saucy chicken and melted cheese make it feel familiar, hearty, and easy to scoop straight from the baking dish.
• High-Protein Meal: Chicken, Parmesan, and mozzarella make this casserole satisfying enough for dinner without needing many extra ingredients.
• Simple Pantry Flavor: Marinara, basil, red pepper flakes, and cheese give the dish a balanced Italian-inspired flavor with minimal chopping.

Ingredients You’ll Need

• Cubed cooked chicken (5 cups): Use tender cooked chicken breast or a mix of white and dark meat. The chicken should be bite-size so every scoop gets sauce and cheese.
• No-sugar-added marinara sauce (1 cup): This keeps the casserole saucy without adding unnecessary sweetness. Choose a thicker sauce so the finished bake does not turn watery.
• Red pepper flakes (1/2 teaspoon): These add gentle heat and help balance the richness of the cheese. Reduce the amount if serving younger kids.
• Parmesan cheese (1 ounce, grated): Parmesan brings salty, nutty flavor and helps the topping taste closer to classic chicken Parmesan.
• Shredded mozzarella cheese (1 1/2 cups): Mozzarella melts beautifully over the chicken and gives the casserole its golden, cheesy top.
• Pork rinds (1 ounce, crushed): Crushed pork rinds create a crisp low-carb topping. Crush them finely but leave a few small pieces for texture.
• Crushed dried basil (1/2 teaspoon): Basil adds a simple Italian-style finish that works well with marinara and Parmesan.

Before You Start

• Use Cooked Chicken: This recipe is built for chicken that is already fully cooked, so do not start with raw chicken pieces.
• Choose the Right Dish: A 9×13-inch baking dish gives the casserole enough surface area for a cheesy top and crisp crumbs.
• Crush the Pork Rinds: Crush them just before baking so they stay dry and crisp instead of softening too early.
• Check the Sauce: If your marinara is very thin, simmer it briefly or use slightly less to keep the casserole from turning watery.

How to Make Keto Chicken Parmesan Casserole

• Step 1 – Heat Oven: Preheat the oven to 375°F and lightly prepare a 9×13-inch baking dish so the cheese does not stick.
• Step 2 – Mix Chicken: Add the cooked chicken, marinara sauce, and red pepper flakes to the dish and stir until the chicken is evenly coated.
• Step 3 – Add Cheese: Sprinkle the mozzarella evenly over the saucy chicken, then add most of the grated Parmesan across the top.
• Step 4 – Make Topping: Stir the crushed pork rinds, remaining Parmesan, and dried basil together in a small bowl.
• Step 5 – Top Casserole: Scatter the pork rind mixture over the cheese in an even layer without pressing it down.
• Step 6 – Bake: Bake for 20 to 25 minutes, until the edges bubble and the cheese is melted and lightly golden.
• Step 7 – Rest and Serve: Let the casserole rest for 5 minutes before scooping so the sauce settles slightly.

How to Know When Keto Chicken Parmesan Casserole Is Done

• Bubbling Edges: The marinara should bubble around the sides of the baking dish, showing the center is heated through.
• Melted Cheese: The mozzarella should be fully melted with golden spots across the top.
• Crisp Topping: The pork rind topping should look dry and lightly toasted, not wet or pale.
• Hot Center: Since the chicken is already cooked, aim for a hot center that reaches 165°F before serving.

Tips to Make It Easier

• Use Rotisserie Chicken: I remove the skin and cube the meat when I want this casserole ready with very little prep.
• Keep Chicken Bite-Size: Smaller pieces heat evenly and make the casserole easier to serve without cutting at the table.
• Do Not Over-Sauce: I keep the marinara to one cup because too much sauce can make the topping soften quickly.
• Crush in a Bag: Place pork rinds in a zip-top bag and crush with a rolling pin for less cleanup.
• Broil Carefully: If you want more browning, broil for 1 to 2 minutes while watching closely.
• Let It Rest: A short rest helps the cheese settle and keeps each scoop neater.

How to Store and Reheat

• Fridge: Store cooled leftovers in an airtight container for 3 to 4 days.
• Freezer: Freeze portions for up to 2 months, though the topping will be softer after thawing.
• Reheat: Warm covered portions in a 350°F oven until hot, then uncover briefly to refresh the top.
• Microwave: Reheat individual servings in short intervals, knowing the topping will be less crisp.
• Food safety: Refrigerate leftovers within 2 hours and reheat chicken casseroles to 165°F before eating.
• Make ahead: Assemble the chicken, sauce, and cheese ahead, then add pork rinds just before baking.

Easy Swaps & Add-Ins

• Milder Flavor: Skip the red pepper flakes for a gentler family-style casserole.
• Extra Cheese: Add a little provolone with the mozzarella for a deeper melted cheese flavor.
• More Herbs: Add dried oregano or Italian seasoning with the basil for a fuller sauce flavor.
• Vegetable Layer: Add well-drained sautéed spinach or roasted zucchini to keep the casserole low-carb.
• Different Chicken: Use shredded chicken instead of cubed chicken if you prefer a softer casserole texture.
• Spicier Top: Add a pinch of garlic powder or extra red pepper flakes to the pork rind topping.

What to Serve With Keto Chicken Parmesan Casserole

• Caesar Salad: A crisp salad balances the warm cheese and saucy chicken without adding much prep.
• Roasted Broccoli: Broccoli gives the plate color and holds up well beside marinara and Parmesan.
• Zucchini Noodles: Serve the casserole over zoodles for a low-carb chicken Parmesan bowl.
• Garlic Green Beans: Green beans add a simple vegetable side that works with the Italian-style flavors.
• Cauliflower Rice: Cauliflower rice helps catch the sauce while keeping the meal low-carb.
• Simple Cucumber Salad: A cool salad adds crunch and freshness beside the rich baked casserole.

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