Creamy Chicken Mushroom Casserole recipe for gluten and dairyfree use.
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5 from 5 votes

Creamy Chicken Mushroom Casserole

Super flavorful Easy Creamy Chicken Mushroom Casserole recipe with thin sliced chicken breasts half-poached and half-baked in dairy-free milk cream. It’s creamy, rich, and cheesy tasting - just like your favorite chicken casserole recipe but Paleo Whole30 Keto friendly !
Course Main Course
Cuisine American
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings 3 servings
Calories 237kcal
Author ChihYu


  • 1 lb. thin sliced chicken breasts
  • 1 large shallot sliced to thin strips
  • 4-5 garlic cloves sliced
  • 5 oz. fresh shiitake mushrooms sliced
  • ⅔ to 1 cup full fat coconut milk stir-well + ¼ cup chicken broth
  • Nutritional yeast
  • Plus your favorite chicken dry-spice seasonings: mine is salt pepper, garlic powder, red pepper powder, and dry thyme or dill weed


  • Preheat oven to 400F. Season thin sliced chicken breasts with salt, pepper, garlic powder, red pepper powder, and dry thyme or dill weed. Quickly sear both sides in a well-heated skillet with ghee to give a nice golden brown sear outside. Set them aside in a large baking casserole dish. The chicken doesn’t need to cook through at this point. We will finish cooking in the oven.
  • Saute garlic and shallots with ghee or avocado oil until fragrant. Season with little salt to bring out flavor. Layer them over chicken breasts. Add coconut milk + little chicken broth. Spread mushrooms over chicken. Sprinkle nutritional yeast. Bake at 400F for 20 mins, then turn up the heat to 410/420F for additional 5-10 mins.
  • Sprinkle with more nutritional yeast before serving. Serve with a side of simple salad and roasted potatoes for a complete meal.


  • Tip: Feel free to swap chicken seasonings. The trick is to keep the seasonings simple. You want to enhance the flavor but to not over power it. :))
  • Tip 2: Can’t find thin sliced chicken breasts? Butterfly them and lightly pound the breasts to about 1/4 -inch thick.
  • Tip 3: For thicker sauce, scoop a few tablespoons of juice out of the baked casserole dish and thicken it with little arrowroot (or tapioca) if desired.


Serving: 151g | Calories: 237kcal | Carbohydrates: 10g | Protein: 38g | Fat: 4g | Cholesterol: 96mg | Sodium: 181mg | Potassium: 946mg | Fiber: 4g | Sugar: 1g | Vitamin A: 0.9% | Vitamin C: 4.5% | Calcium: 1.5% | Iron: 8.5%