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Keto Chicken Parmesan Casserole

Published: Apr 29, 2025 by Sue · This post may contain affiliate links · Leave a Comment

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This Keto Chicken Parmesan Casserole takes everything I love about the classic Italian favorite and transforms it into a low-carb, family-friendly dish that’s perfect for busy weeknights. It’s hearty, cheesy, and full of savory flavors without the heavy carbs. Keto Chicken Parmesan Casserole

Why You’ll Love This Recipe

I love how this casserole captures the bold, rich flavors of traditional chicken parmesan while staying completely keto-friendly. I skip the carb-heavy breadcrumbs and instead use finely crumbled parmesan crisps, creating a crunchy topping that’s irresistible. With tender rotisserie chicken, gooey melted cheese, and a rich marinara sauce, this recipe feels indulgent but fits perfectly into my keto lifestyle. Plus, it’s quick to assemble and even quicker to disappear at the dinner table.

Ingredients

(Here's a tip: Check out the full list of ingredients and measurements in the recipe card below.)

  • Rotisserie chicken (or cooked chicken breast)

  • No added sugar marinara sauce (like Rao’s)

  • Italian seasoning

  • Garlic cloves

  • Olive oil

  • Almond flour

  • Parmesan cheese

  • Shredded mozzarella cheese

  • Parmesan crisps

  • Non-stick cooking spray

Directions

I start by preheating the oven to 375°F. In a large skillet, I heat olive oil over medium heat and sauté the minced garlic for about a minute until it becomes fragrant. Then I add Italian seasoning, marinara sauce, almond flour, and shredded chicken, stirring and cooking the mixture for about 5 minutes.

I lightly spray a 9"x13" casserole dish with non-stick cooking spray and pour the chicken and sauce mixture into it. After smoothing it out, I layer on the parmesan cheese, mozzarella cheese, and top it all with finely crushed parmesan crisps.

I bake the casserole for 25 minutes until the cheese is bubbling and slightly golden. Once it’s done, I let it cool for a few minutes before serving to let everything set beautifully.

Servings and Timing

This recipe yields about 10 servings. The total time needed, including prep and baking, is approximately 40 minutes: 15 minutes for preparation and 25 minutes for baking.

Variations

I sometimes change it up by adding sautéed spinach or mushrooms to the chicken mixture for an extra vegetable boost. If I’m looking for a different flavor profile, I swap Italian seasoning for a combination of oregano and basil. For a spicier version, I like to add a pinch of crushed red pepper flakes to the sauce.

Storage/Reheating

When I have leftovers, I store them in an airtight container in the refrigerator for up to 4 days. To reheat, I simply microwave a portion for about 1-2 minutes or reheat it in the oven at 350°F for 10-15 minutes until warmed through. I can also freeze this casserole by wrapping it tightly; it keeps well for up to 2 months.

FAQs

How can I make this dish even lower in carbs?

I make sure to use a very low-carb marinara sauce and stick with just parmesan crisps for the topping to keep it as keto as possible.

Can I use homemade marinara sauce?

Absolutely! I like using homemade marinara sauce without added sugar to have full control over the ingredients.

Is it possible to make this casserole dairy-free?

Yes, I substitute the cheese with dairy-free alternatives that melt well if I’m cooking for someone who avoids dairy.

What can I serve with Keto Chicken Parmesan Casserole?

I usually pair it with a fresh green salad or roasted vegetables like broccoli or zucchini to keep the meal light and nutritious.

Can I prepare this casserole ahead of time?

Definitely. I often assemble the casserole a day in advance, cover it tightly, and refrigerate it until I’m ready to bake it.

Conclusion

This Keto Chicken Parmesan Casserole is my go-to when I want a comforting, hearty meal without compromising my low-carb lifestyle. It’s full of satisfying flavors, easy to customize, and perfect for meal prepping. Whenever I make it, it feels like a special occasion, even on the busiest weeknights.


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Keto Chicken Parmesan Casserole

This Keto Chicken Parmesan Casserole takes everything I love about the classic Italian favorite and transforms it into a low-carb, family-friendly dish that’s perfect for busy weeknights. It’s hearty, cheesy, and full of savory flavors without the heavy carbs.

Why You’ll Love This Recipe

I love how this casserole captures the bold, rich flavors of traditional chicken parmesan while staying completely keto-friendly. I use finely crumbled parmesan crisps for a crunchy topping that’s irresistible. With tender rotisserie chicken, gooey melted cheese, and a rich marinara sauce, this recipe feels indulgent but fits perfectly into my keto lifestyle. Plus, it’s quick to assemble and even quicker to disappear at the dinner table.

Ingredients

(Here's a tip: Check out the full list of ingredients and measurements in the recipe card below.)

  • Rotisserie chicken (or cooked chicken breast)

  • No added sugar marinara sauce (like Rao’s)

  • Italian seasoning

  • Garlic cloves

  • Olive oil

  • Almond flour

  • Parmesan cheese

  • Shredded mozzarella cheese

  • Parmesan crisps

  • Non-stick cooking spray

Directions

I start by preheating the oven to 375°F. In a large skillet, I heat olive oil over medium heat and sauté the minced garlic for about a minute until it becomes fragrant. Then I add Italian seasoning, marinara sauce, almond flour, and shredded chicken, stirring and cooking the mixture for about 5 minutes.

I lightly spray a 9"x13" casserole dish with non-stick cooking spray and pour the chicken and sauce mixture into it. After smoothing it out, I layer on the parmesan cheese, mozzarella cheese, and top it all with finely crushed parmesan crisps.

I bake the casserole for 25 minutes until the cheese is bubbling and slightly golden. Once it’s done, I let it cool for a few minutes before serving to let everything set beautifully.

Servings and Timing

This recipe yields about 10 servings. The total time needed, including prep and baking, is approximately 40 minutes: 15 minutes for preparation and 25 minutes for baking.

Variations

I sometimes change it up by adding sautéed spinach or mushrooms to the chicken mixture for an extra vegetable boost. If I’m looking for a different flavor profile, I swap Italian seasoning for a combination of oregano and basil. For a spicier version, I like to add a pinch of crushed red pepper flakes to the sauce.

Storage/Reheating

When I have leftovers, I store them in an airtight container in the refrigerator for up to 4 days. To reheat, I simply microwave a portion for about 1-2 minutes or reheat it in the oven at 350°F for 10-15 minutes until warmed through. I can also freeze this casserole by wrapping it tightly; it keeps well for up to 2 months.

FAQs

How can I make this dish even lower in carbs?

I make sure to use a very low-carb marinara sauce and choose the crispiest parmesan topping to keep it as keto as possible.

Can I use homemade marinara sauce?

Absolutely! I like using homemade marinara sauce without added sugar to have full control over the ingredients.

Is it possible to make this casserole dairy-free?

Yes, I substitute the cheese with dairy-free alternatives that melt well if I’m cooking for someone who avoids dairy.

What can I serve with Keto Chicken Parmesan Casserole?

I usually pair it with a fresh green salad or roasted vegetables like broccoli or zucchini to keep the meal light and nutritious.

Can I prepare this casserole ahead of time?

Definitely. I often assemble the casserole a day in advance, cover it tightly, and refrigerate it until I’m ready to bake it.

Conclusion

This Keto Chicken Parmesan Casserole is my go-to when I want a comforting, hearty meal without compromising my low-carb lifestyle. It’s full of satisfying flavors, easy to customize, and perfect for meal prepping. Whenever I make it, it feels like a special occasion, even on the busiest weeknights.

Print

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Keto Chicken Parmesan Casserole

Keto Chicken Parmesan Casserole

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  • Author: Sue
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 10 servings
  • Category: Dinner, Main Dish
  • Method: Baking, Casserole
  • Cuisine: Italian-American, Keto
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Description

This easy Keto Chicken Parmesan Casserole features tender rotisserie chicken, rich marinara, gooey cheese, and a crunchy parmesan topping — a low-carb, family-friendly dinner perfect for busy weeknights! (Keyword: Keto Chicken Parmesan Casserole)


Ingredients

  • Rotisserie chicken (or cooked chicken breast)
  • No added sugar marinara sauce (like Rao’s)
  • Italian seasoning
  • Garlic cloves
  • Olive oil
  • Almond flour
  • Parmesan cheese
  • Shredded mozzarella cheese
  • Parmesan crisps
  • Non-stick cooking spray

Instructions

  1. Preheat oven to 375°F.
  2. In a skillet over medium heat, sauté minced garlic in olive oil until fragrant (about 1 minute).
  3. Add Italian seasoning, marinara sauce, almond flour, and shredded chicken; stir and cook for 5 minutes.
  4. Lightly spray a 9"x13" casserole dish with non-stick spray.
  5. Pour chicken mixture into the dish and smooth it out.
  6. Top evenly with parmesan cheese, mozzarella cheese, and crushed parmesan crisps.
  7. Bake for 25 minutes until cheese is melted and bubbling.
  8. Let cool slightly before serving.

Notes

  • To lower the carbs even more, use the lowest-carb marinara available.
  • For extra veggies, stir in sautéed spinach or mushrooms before baking.
  • Freeze leftovers tightly wrapped for up to 2 months.

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Hey there! I'm Sue, a mom, a wife, and someone who’s always in the kitchen trying out new recipes or revisiting old ones that remind me of family gatherings and special moments.

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