Keto Garlic Mushroom Chicken Casserole is a delightful, creamy dish that’s perfect for a cozy dinner. Packed with tender chicken, savory mushrooms, and fragrant garlic, this casserole is not only low in carbs but also filled with flavor. It’s an excellent choice for those following the keto diet or anyone simply looking for a comforting meal. Plus, it’s super easy to make, requiring just a few ingredients that come together beautifully. Let’s dive into how to whip up this tasty casserole!
What You’ll Need for Keto Garlic Mushroom Chicken Casserole
To get started, gather the following ingredients:
- 2 lbs (900 g) chicken breast, cubed
- 8 oz (225 g) mushrooms, sliced
- 4 cloves garlic, minced
- 1 cup (240 ml) heavy cream
- 1 cup (120 g) shredded cheese (cheddar or mozzarella)
- 2 tbsp olive oil
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp Italian seasoning
How to Make Keto Garlic Mushroom Chicken Casserole
Now that you have everything ready, let’s go through the steps to prepare this delicious casserole:
- Preheat your oven to 375°F (190°C).
- In a large skillet, heat the olive oil over medium heat. Add the minced garlic and sliced mushrooms to the pan. Sauté until the mushrooms are tender and the garlic is fragrant, about 3–4 minutes.
- Next, add the cubed chicken, salt, black pepper, and Italian seasoning. Cook until the chicken is no longer pink in the center, stirring occasionally, which should take about 5-7 minutes.
- Stir in the heavy cream and half of the shredded cheese. Mix everything well until combined and creamy.
- Carefully transfer the mixture to a greased casserole dish. Top with the remaining cheese for an extra cheesy finish.
- Bake in the preheated oven for 25-30 minutes or until the casserole is bubbly and the top is golden brown.
- Allow the casserole to cool slightly before serving.
How to Serve Keto Garlic Mushroom Chicken Casserole
This comforting casserole can be served in many delightful ways. Scoop generous portions onto plates, and feel free to garnish with fresh herbs like parsley for a pop of color.
Pair your casserole with a light green salad tossed in a vinaigrette for a refreshing contrast. For an extra dose of veggies, you might serve it alongside roasted broccoli or steamed asparagus. Enjoy your meal while it’s warm for the best flavor experience!
Expert Tips for Keto Garlic Mushroom Chicken Casserole
Here are a few handy tips and variations to make this dish your own:
- Add More Vegetables: Feel free to bulk up the casserole by adding other vegetables like spinach, zucchini, or bell peppers for added nutrition and flavor.
- Spice It Up: If you enjoy a little heat, consider adding red pepper flakes to the chicken mixture for some spice.
- Mix Up the Cheese: Try using different types of cheese, like gouda or cream cheese, for a unique twist on the traditional flavors.
Keto Garlic Mushroom Chicken Casserole FAQs
Can I use frozen chicken for this recipe?
Yes! You can use frozen chicken, but make sure to fully thaw it before cooking for even cooking.
How do I store leftovers?
Store any leftover casserole in an airtight container in the refrigerator for up to 3-4 days. You can also freeze it for longer storage.
Can I make this casserole ahead of time?
Absolutely! You can prepare the casserole earlier in the day or even the night before. Just cover it and refrigerate until you’re ready to bake it.
Have fun making and enjoying your Keto Garlic Mushroom Chicken Casserole! It’s a dish that brings warmth and satisfaction to your dinner table. Dive into this creamy, cheesy goodness and indulge in all the flavors!

Keto Garlic Mushroom Chicken Casserole
Ingredients
Method
- Preheat your oven to 375°F (190°C).
- In a large skillet, heat the olive oil over medium heat. Add the minced garlic and sliced mushrooms to the pan. Sauté until the mushrooms are tender and the garlic is fragrant, about 3-4 minutes.
- Add the cubed chicken, salt, black pepper, and Italian seasoning. Cook until the chicken is no longer pink in the center, stirring occasionally, about 5-7 minutes.
- Stir in the heavy cream and half of the shredded cheese. Mix until well combined and creamy.
- Carefully transfer the mixture to a greased casserole dish. Top with the remaining cheese.
- Bake in the preheated oven for 25-30 minutes or until bubbly and the top is golden brown.
- Allow the casserole to cool slightly before serving.