Dinner

Keto Chicken Parmesan Casserole Recipe

BySarah Summers November 7, 2025November 7, 2025

Introduction

This Keto Chicken Parmesan Casserole is a delicious low-carb twist on a classic favorite. Packed with tender chicken, savory marinara, and plenty of melted cheese, it’s perfect for a comforting weeknight meal that fits your keto lifestyle.

A baked dish in a green casserole shows a top layer of golden brown, crunchy bread cubes mixed with melted white cheese bubbly with a few browned spots, sitting on a sauce layer of bright red-orange that peeks around the edges. The casserole dish rests on a green and cream cloth on a white marbled surface, with two white plates stacked nearby and a glass with an amber drink in the background. The textures range from soft melted cheese to crispy bread pieces on top photo taken with an iphone --ar 4:5 --v 7

Ingredients

4 cups cubed rotisserie chicken (or chicken breast, cooked and cubed)
3/4 cup no added sugar marinara sauce
1 tbsp Italian seasoning
2 garlic cloves (minced)
1 tbsp olive oil
2 tbsp almond flour
3/4 cup parmesan cheese (grated)
1 1/2 cups shredded mozzarella cheese
3/4 cup finely crushed parmesan crisps (or pork rinds)
Non-stick cooking spray

Instructions

Step 1: Preheat your oven to 350°F (175°C).
Step 2: In a large skillet, heat the olive oil over medium heat. Add the minced garlic and sauté until fragrant, about 1 minute.
Step 3: Stir in the Italian seasoning, marinara sauce, almond flour, and chicken. Mix well and cook for 5 minutes to combine flavors.
Step 4: Spray a 9” x 13” casserole dish with non-stick cooking spray. Pour the chicken and marinara mixture evenly into the dish.
Step 5: Layer the grated parmesan cheese, shredded mozzarella, and finely crushed parmesan crisps (or pork rinds) evenly over the chicken mixture.
Step 6: Bake in the preheated oven for 25-30 minutes, until the casserole is heated through and the cheese is melted and bubbly.
Step 7: Remove from the oven and let cool for a few minutes before serving to allow the flavors to meld.

Tips & Variations

For extra flavor, add chopped fresh basil or parsley before baking.
Swap out the parmesan crisps for crushed pork rinds to keep it strictly keto-friendly and add crunch.
Use homemade marinara sauce to control sugar content and customize seasoning.
If you prefer less cheese, reduce the mozzarella and increase the parmesan for a sharper taste.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave until warmed through. For longer storage, freeze the casserole in a freezer-safe container for up to 2 months; thaw overnight in the fridge before reheating.

How to Serve

The image shows a baked dish in a green ceramic baking dish resting on a green and white cloth over a white marbled texture surface. The dish has a base layer of red tomato sauce visible around the edges, topped with a thick, melted layer of white cheese. Scattered on top are golden-brown croutons and some browned bits of cheese, giving a crunchy texture contrast. The cheese is bubbly and smooth, blending well with the croutons. The background has some empty white plates stacked, adding to the table setting. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I use fresh chicken instead of rotisserie?

Yes, cooked fresh chicken breast or thighs can be used. Simply cook and cube the chicken before adding it to the casserole mixture.

Is this recipe suitable for a strict keto diet?

Absolutely. Using no-sugar-added marinara sauce, almond flour, and parmesan crisps or pork rinds keeps the carbs low while maintaining rich flavors perfect for keto eating.