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Paleo Chicken Mushroom Casserole

Modified: Apr 21, 2025 by Chantal Kirkland · This post may contain affiliate links · Leave a Comment

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Indulging in comfort food doesn't have to mean compromising on health, especially with the incredible Paleo Chicken Mushroom Casserole. This dish not only satisfies those cravings for creamy, hearty meals but also aligns perfectly with your wellness objectives. Made with fresh, wholesome ingredients, it showcases tender chicken mingled with sautéed mushrooms, all enveloped in a luscious sauce that feels like a warm hug.

baking dish full of paleo chicken mushroom casserole ready to serve
Jump to:
  • Paleo Chicken Mushroom Casserole
  • 📖Printable Recipe:
  • Paleo Chicken Mushroom Casserole
  • 📋Ingredients
  • 🔪How Do I Make It?
  • 🍽What Do I Serve With This Casserole Dish?
  • ⏲️Chef's Tip
  • 💭Frequently Asked Questions
  • 🥘More Easy Casseroles

Paleo Chicken Mushroom Casserole

🎥Video Recipe:

📖Printable Recipe:

Paleo Chicken Mushroom Casserole

The Paleo Chicken Mushroom Casserole is more than just a healthy dish—it's a delightful culinary experience. With its rich flavors, satisfying textures, and wholesome ingredients, it’s sure to become a favorite in your meal rotation.
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Prep Time 25 minutes mins
Cook Time 10 minutes mins
Course Main Course
Cuisine American
Servings 3
Calories 636 kcal

Ingredients
  

  • 3 tablespoon olive oil
  • 500 g 1 pound chicken breast, sliced
  • 2 tablespoon butter
  • 1 small white onion chopped
  • 300 g 10 oz cremini mushrooms, sliced
  • 1 large zucchini spiralized into spaghetti
  • 3 garlic cloves minced
  • ½ cup almond paste
  • ¼ cup vegan cheese shredded
  • chopped almonds and parsley for topping
  • ¾ cup almond milk

Instructions
 

  • Preheat the oven to 190C/375F.
  • Heat olive oil in a large skillet over medium-high heat. Add chicken and cook for around 4-5 minutes, just until it starts to brown slightly. Remove chicken onto a plate.
    3 tablespoon olive oil, 500 g 1 pound chicken breast, sliced
    chicken being cooked to make paleo chicken mushroom casserole
  • Add butter into the same skillet, without washing it after the chicken was cooked. Saute onions for 5 minutes, then add sliced mushrooms, season with salt and pepper and cook for 10 minutes. Mix in garlic and after 30 seconds combine mushrooms and onion with nut butter (almond or peanut) and almond milk. Bring the sauce to a boil and stir in zucchini noodles. Cook for 2 minutes. Mix in chicken pieces.
    2 tablespoon butter, 1 small white onion, 300 g 10 oz cremini mushrooms, sliced, 1 large zucchini, 3 garlic cloves, ½ cup almond paste, ¾ cup almond milk
    zucchini being added to a pan with other ingredients to make paleo chicken mushroom casserole
  • Transfer everything from the pan into a casserole dish, sprinkle with cheese and bake for 10 minutes at 190C/375F. Serve sprinkled with chopped almonds and parsley.
    ¼ cup vegan cheese, chopped almonds and parsley for topping
    final step of topping a paleo chicken mushroom casserole with cheese prior to baking

Video

Nutrition

Calories: 636kcalCarbohydrates: 31gProtein: 43gFat: 39gSaturated Fat: 9gPolyunsaturated Fat: 5gMonounsaturated Fat: 20gTrans Fat: 0.3gCholesterol: 127mgSodium: 364mgPotassium: 1.422mgFiber: 4gSugar: 19gVitamin A: 415IUVitamin C: 17mgCalcium: 125mgIron: 2mg
Keyword casserole, chicken, mushroom, Paleo, vegan cheese
Tried this recipe?Let us know how it was!

📋Ingredients

  • 3 tablespoon olive oil
  • 500 g (1 pound) chicken breast, sliced
  • 2 tablespoon butter
  • 1 small white onion, chopped
  • 300 g (10 oz) cremini mushrooms, sliced
  • 1 large zucchini, spiralized into spaghetti
  • 3 garlic cloves, minced
  • ½ cup almond paste
  • ¼ cup vegan cheese, shredded
  • chopped almonds and parsley for topping
  • ¾ cup almond milk
ingredients to make paleo chicken mushroom casserole laid out on a table

🔪How Do I Make It?

Preheat the oven to 190C/375F.

Heat olive oil in a large skillet over medium-high heat. Add chicken and cook for around 4-5 minutes, just until it starts to brown slightly. Remove chicken onto a plate.

chicken being cooked to make paleo chicken mushroom casserole

Add butter into the same skillet, without washing it after the chicken was cooked. Saute onions for 5 minutes, then add sliced mushrooms, season with salt and pepper and cook for 10 minutes. Mix in garlic and after 30 seconds combine mushrooms and onion with nut butter (almond or peanut) and almond milk. Bring the sauce to a boil and stir in zucchini noodles. Cook for 2 minutes. Mix in chicken pieces.

zucchini being added to a pan with other ingredients to make paleo chicken mushroom casserole

Transfer everything from the pan into a casserole dish, sprinkle with cheese and bake for 10 minutes at 190C/375F. Serve sprinkled with chopped almonds and parsley.

final step of topping a paleo chicken mushroom casserole with cheese prior to baking

🍽What Do I Serve With This Casserole Dish?

A well-rounded meal often includes complementary side dishes that enhance the main course. While this Paleo Chicken Mushroom Casserole is a star on its own, pairing it with the right sides can elevate your dining experience.

Fresh Green Salad

A fresh green salad with a simple vinaigrette can add a crisp, refreshing contrast to the casserole's savory richness. Toss together some mixed greens, cucumber, cherry tomatoes, and a splash of olive oil and balsamic vinegar for an easy, delicious side.

Roasted Vegetables

Roasted vegetables are another fantastic option. Consider roasting some Brussels sprouts, sweet potatoes, or bell peppers. The natural sweetness and caramelized flavors of the roasted veggies will complement the earthy mushrooms and tender chicken in the casserole.

Cauliflower Rice

For a low-carb side, cauliflower rice is an excellent choice. It's simple to make and absorbs the flavors of whatever it's paired with. Sauté the cauliflower rice with a bit of garlic and onion for extra flavor, and you've got a perfect side dish.

paleo chicken mushroom casserole in a baking dish ready to serve

⏲️Chef's Tip

Even the best recipes can benefit from a few professional tips. Here are some insights to help you master this Paleo Chicken Mushroom Casserole.

Use Fresh Ingredients

Fresh ingredients make a significant difference in the taste and texture of your dish. Opt for fresh chicken, vegetables, and herbs whenever possible. The flavors will be more vibrant and the nutritional content higher.

Don't Overcook the Chicken

Overcooking chicken can make it tough and dry. Cook the chicken just until it starts to brown slightly, as it will continue to cook in the oven. This ensures your chicken remains juicy and tender.

Season Generously

Proper seasoning is crucial for bringing out the best flavors in your casserole. Don't be shy with salt and pepper, and feel free to add other spices like paprika or thyme to enhance the dish's taste.

single serving of paleo chicken mushroom casserole in a bowl ready to be enjoyed

💭Frequently Asked Questions

Many home cooks have questions when trying out a new recipe. Here are some common queries about this Paleo Chicken Mushroom Casserole.

Can I Make This Casserole Ahead of Time?

Yes, you can prepare the casserole ahead of time. Complete all the steps up to baking, then cover the dish and store it in the refrigerator for up to 24 hours. When you're ready to eat, simply bake as directed.

Can I Use Other Types of Mushrooms?

Absolutely! While cremini mushrooms are delicious, you can use any type of mushroom you prefer. Button mushrooms, shiitake, or portobello mushrooms are all great choices that will add different flavors and textures to your casserole.

Is There a Substitute for Almond Paste?

If you don't have almond paste on hand, you can use cashew butter or even peanut butter as a substitute. Each will add a unique flavor to the dish, so feel free to experiment and find your favorite.

closeup of paleo chicken mushroom casserole

🥘More Easy Casseroles

If you enjoyed this Paleo Chicken Mushroom Casserole, you might be interested in exploring more casserole recipes. Casseroles are versatile, easy to make, and can be incredibly nutritious. These are some of very favorite comfort food casseroles:

  • Hamburger Potato Casserole
  • Crispy Tuna Casserole
  • Cheesy Gnocchi Casserole
  • Creamy Chicken and Ham Casserole
  • Chicken Cordon Bleu Casserole
  • Chicken Poppy Seed Casserole

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