Keto Chicken Mushroom Casserole

Keto Chicken Mushroom Casserole is a savory, creamy dish that combines tender chicken, earthy mushrooms, and flavorful spinach in a rich cheese sauce. This casserole is not only delicious but also fits perfectly in a low-carb lifestyle, making it a popular choice for families and meal preppers alike.

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Why You’ll Love This Keto Chicken Mushroom Casserole

This Keto Chicken Mushroom Casserole is a crowd-pleaser that brings comfort food to the dinner table without compromising your dietary goals. It’s easy to prepare, loaded with protein, and offers a delightful blend of flavors and textures. Plus, it’s a one-dish meal, which means less cleanup for you!

How to Make Keto Chicken Mushroom Casserole

Ingredients

¼ cup butter
1 pound chicken, cubed
5 ounces mushrooms, sliced
½ cup chopped onion
1 tablespoon fresh thyme or 1 teaspoon dried thyme
1 teaspoon sea salt
½ teaspoon fresh ground black pepper
1 teaspoon minced garlic
8 ounces frozen chopped spinach, thawed and drained
1 cup chicken broth
8 ounces cream cheese
1 cup shredded Gruyere cheese

Step-by-Step Instructions

Prepare Oven and Dish
Preheat oven to 375°F (190°C) and lightly grease a 9×13 inch casserole dish.
Season Chicken
In a bowl, toss the cubed chicken with olive oil, garlic powder, onion powder, smoked paprika, dried thyme, salt, and pepper until evenly coated.
Chop Vegetables
Finely dice the onion, slice mushrooms, and mince garlic for “mise en place.”
Sear Chicken
Heat oil in a large oven-safe skillet over medium-high heat. Sear chicken in batches for 3-5 minutes per side until golden brown, then remove and set aside.
Sauté Aromatics
Reduce heat to medium, add oil if needed, then sauté diced onion for 3-5 minutes until translucent. Add sliced mushrooms and cook for 5-7 minutes until browned and moisture is released. Stir in minced garlic for 1 minute until fragrant.
Build Creamy Sauce
Add softened cream cheese to the skillet with vegetables, stirring until melted and smooth. Stir in chicken broth, bringing to a simmer. Add heavy cream, Dijon mustard, and Italian seasoning, stirring for 2-3 minutes until slightly thickened. Taste and adjust seasonings.
Combine and Transfer
Return seared chicken to the skillet, stirring until fully coated in the sauce. Stir in thawed and drained spinach. Transfer the entire mixture evenly into the greased casserole dish.
Add Topping and Bake
Evenly sprinkle shredded Gruyere cheese over the casserole. Bake for 20-25 minutes in the preheated oven, or until hot, bubbly, and the cheese is golden brown.
Rest and Serve
Allow the casserole to rest for 5-10 minutes on a wire rack before serving. Garnish with fresh chopped parsley. Store leftovers in an airtight container for 3-4 days in the refrigerator; reheat gently in the microwave or oven.

How to Serve Keto Chicken Mushroom Casserole

Serve this delicious casserole hot, straight from the oven. It pairs beautifully with a simple side salad or some steamed vegetables for a complete meal. If you like, you can also serve it with some gluten-free bread for dipping into the creamy sauce. The leftovers are just as good, making it perfect for meal prepping.

How to Store Keto Chicken Mushroom Casserole

Store any leftover Keto Chicken Mushroom Casserole in an airtight container in the refrigerator for 3-4 days. Reheat gently in the microwave or oven, adding a splash of chicken broth to maintain moisture, if necessary.

Tips to Make Keto Chicken Mushroom Casserole Perfect

Chicken Varieties: Feel free to use skinless chicken thighs for more flavor and juiciness.
Cream Cheese: Ensure your cream cheese is softened before adding to the skillet for a smooth sauce.
Fresh Herbs: If you have fresh herbs like parsley or basil, sprinkle them on top for added freshness.
Vegetable Mix-ins: You can add bell peppers or zucchini for additional veggies.

Flavor Variations

Cheese: Swap Gruyere for mozzarella or cheddar for a different cheesy flavor.
Spices: Experiment with spices like cayenne pepper for a kick, or Italian seasonings for a Mediterranean twist.
Greens: Add kale or Swiss chard for a nutrient boost.
Nuts: Chopped pecans or walnuts sprinkled on top can add an unexpected crunch.

Pro Tips for Success

Make sure to properly drain the spinach; excess moisture can make the casserole watery.
Use a digital meat thermometer to ensure the chicken is perfectly cooked (165°F).
Letting the casserole rest helps the flavors meld and makes serving easier.

FAQs About Keto Chicken Mushroom Casserole

Can I freeze Keto Chicken Mushroom Casserole?
Yes, you can freeze this casserole before baking. Assemble the dish, cover tightly, and freeze for up to 2 months. When ready to bake, thaw in the refrigerator overnight and bake as directed.

Is this recipe suitable for a low-carb meal plan?
Absolutely! This Keto Chicken Mushroom Casserole is low in carbohydrates, making it an excellent option for those following keto or low-carb diets. Packed with protein and healthy fats, it offers a satisfying meal without the carbs.

Can I use other meats instead of chicken?
Yes, you can substitute chicken with turkey, beef, or even leftover rotisserie chicken. Adjust cooking times as necessary to ensure the meat is properly cooked.

Final Thoughts

Keto Chicken Mushroom Casserole is a comforting dish perfect for weeknight dinners or meal prepping. Easy to make and incredibly satisfying, it is sure to become a go-to recipe in your household. Enjoy the rich flavors and make it today for a delightful meal that aligns with your dietary preferences!

Keto Chicken Mushroom Casserole