Keto Chicken Zucchini Casserole

If you’re looking for a comforting, cheesy, and low-carb dinner that the whole family will love, this Keto Chicken Zucchini Casserole is a must-try! Packed with tender chicken, fresh zucchini, and a rich, creamy sauce, this dish is not only satisfying but also perfect for anyone on a keto diet. Whether you’re meal prepping for the week or just need an easy one-pan dinner, this casserole will quickly become a favorite in your kitchen.

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Why You’ll Love This Recipe

• Keto-Friendly & Low-Carb – Made without any unnecessary fillers, this casserole keeps your carbs in check while delivering bold flavors.
• Easy & Convenient – A one-dish meal that saves time and requires minimal cleanup.
• Rich & Satisfying – The combination of juicy chicken, melted cheese, and tender zucchini makes this dish both nourishing and filling.
• Customizable – Easily swap ingredients or add extra flavors to make it your own.

My Personal Experience

I love casseroles because they’re the ultimate comfort food without the hassle of multiple dishes. This Keto Chicken Zucchini Casserole was a hit in my house! The first time I made it, I was amazed by how creamy and satisfying it was while still being light. The zucchini blends perfectly with the chicken, soaking up all the cheesy goodness. Whether you’re feeding your family or prepping meals for the week, this recipe makes keto easy and delicious.

Required Equipment

Baking Dish
A sturdy baking dish ensures even cooking and prevents the casserole from sticking. I prefer using a ceramic or glass dish for easy cleanup.

Sharp Knife & Cutting Board
Zucchini and chicken need to be chopped into bite-sized pieces, so a sharp knife makes prep work effortless.

Mixing Bowls
You’ll need a large bowl to combine the ingredients before transferring them to the baking dish.

Cheese Grater
Freshly grated cheese melts better and enhances the texture of the casserole.

Ingredients & Substitutions

• 2 cups cooked chicken, shredded – Rotisserie chicken works great here for convenience.
• 2 medium zucchinis, sliced into half-moons – Adds texture and keeps the dish fresh.
• 1 cup shredded cheddar cheese – Gives a bold, sharp flavor. Swap with mozzarella for a milder taste.
• 1/2 cup grated Parmesan cheese – Enhances the richness and adds depth.
• 1/2 cup sour cream – Makes the casserole creamy and tangy. Greek yogurt can be a substitute.
• 2 eggs – Helps bind everything together.
• 1 teaspoon garlic powder – Adds an aromatic kick.
• 1 teaspoon onion powder – Enhances the savory notes.
• 1/2 teaspoon paprika – Adds a mild warmth.
• Salt and pepper to taste – Adjust to your preference.
• 1 tablespoon olive oil – Helps sauté the zucchini for extra flavor.

How to Make Keto Chicken Zucchini Casserole

1. Preheat oven to 375°F (190°C). Grease a baking dish to prevent sticking.
2. Sauté the zucchini. Heat olive oil in a pan and cook the zucchini for 2-3 minutes until slightly tender. Drain any excess liquid.
3. Mix the ingredients. In a large bowl, combine the cooked chicken, zucchini, cheddar cheese, Parmesan cheese, sour cream, eggs, and spices. Stir until well incorporated.
4. Assemble the casserole. Pour the mixture into the prepared baking dish and spread evenly.
5. Bake for 25-30 minutes. The top should be golden and slightly crispy.
6. Let it rest for 5 minutes before serving for the best texture.

Tips for This Recipe

• Drain Excess Zucchini Water – Since zucchini releases moisture while cooking, draining it helps prevent a watery casserole.
• Use Pre-Cooked Chicken – Saves time and ensures the casserole bakes evenly.
• Broil for a Crispy Top – If you love a golden crust, broil for an extra 2-3 minutes at the end.

Optional Additions

• Chopped Bacon – Adds extra smokiness and crunch.
• Diced Mushrooms – Increases the umami flavor.
• Red Pepper Flakes – If you love a little heat, sprinkle some in!

Serving Ideas

• Serve with a simple keto side salad for a balanced meal.
• Pair with cauliflower rice for an extra filling dish.
• Enjoy with a side of keto garlic bread to soak up the cheesy sauce.

Storage Recommendations

• Refrigerate: Store in an airtight container for up to 4 days.
• Freeze: Freeze portions for up to 2 months. Thaw overnight in the fridge before reheating.
• Reheat: Warm in the oven at 350°F (175°C) for 10 minutes, or microwave for 2 minutes.

Frequently Asked Questions

Can I use raw chicken?
Yes, but cook it before adding it to the casserole to prevent excess moisture.

What other cheeses can I use?
Mozzarella, Gouda, or a Mexican blend work great.

Can I make this dairy-free?
Yes! Use dairy-free cheese and swap sour cream for coconut cream.

Nutritional Breakdown (Per Serving)

• Calories: 320
• Total Carbs: 6g
• Net Carbs: 4g
• Protein: 28g
• Fat: 22g

I’m so excited to hear how this recipe turned out for you! 😊 Don’t forget to follow us on Instagram and Facebook for daily keto inspiration, tasty recipes, and all the support you need to crush your goals. Want to make keto cooking even easier? Get a Keto Instant Pot Recipes Book filled with quick, delicious, and low-carb meals—perfect for busy days! Grab your copy today! 🚀