Easy Chicken Casserole Recipe with Mushrooms

Hey there, friends!

Are you in the mood for a cozy dinner idea? I’ve got you covered!

Today, I’m sharing my go-to chicken casserole recipe.

It’s warm, hearty, and super easy to whip up.

Perfect for a family meal or leftovers for the next day!

Trust me, you’ll want to make this one again and again. Let’s dive in!

Image: mollyshomeguide.com / Photographer Molly
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Preparation Time 20-30 minutes
Cooking Time 45-50 minutes
Total Time 65-80 minutes
Level of Difficulty Medium
 

Ingredients

For the chicken:

  • 4-5 large chicken breasts (cut into 1-inch strips)
  • 3 tbsp olive oil
  • 1 cup all-purpose flour

For the vegetables:

  • 1 medium onion (finely diced)
  • 1 lb mushrooms (thickly sliced for best texture)
  • 3 garlic cloves (freshly minced for best flavor)
  • 3 tbsp olive oil

For the sauce:

  • 3 tbsp all-purpose flour
  • 3 tbsp unsalted butter
  • 1.5 cups chicken broth (I use Swanson’s Low Sodium broth)
  • 1 tbsp lemon juice
  • 1 cup half and half

Step 1: Prepare the Oven and Chicken

Preheat your oven to 350°F (175°C).

While the oven is heating, trim and cut 4-5 large chicken breasts into 1-inch thick strips.

Season both sides of the chicken strips with salt and pepper to taste.

 

Step 2: Sauté the Chicken

Preheat a medium-large pan over medium-high heat and add 3 tablespoons of olive oil.

Dredge the seasoned chicken strips in 1 cup of all-purpose flour, making sure to shake off any excess flour.

Sauté the chicken in the hot skillet in a single layer until golden brown.

Once browned, transfer the chicken strips to a 13×9 baking dish.

 

Step 3: Sauté the Vegetables

Scrape the debris from the pan and add another 3 tablespoons of olive oil.

Sauté 1 pound of thickly sliced mushrooms and 1 medium diced onion in the pan until they are soft, about 5-7 minutes.

Stir in 3 minced garlic cloves and cook for an additional 1-2 minutes until fragrant.

Transfer the mushroom mixture over the chicken in the baking dish.

 

Step 4: Make the Sauce

Reduce the heat to medium-low and wipe out the skillet with a paper towel.

Melt 3 tablespoons of unsalted butter in the skillet.

Whisk in 3 tablespoons of all-purpose flour and sauté for 1-2 minutes until the mixture turns golden.

Gradually whisk in 1½ cups of chicken broth and 1 tablespoon of lemon juice until the sauce becomes creamy and smooth.

Mix in 1 cup of half and half (or a mixture of ½ cup milk + ½ cup heavy cream) and bring to a light simmer.

Taste the sauce and add salt if needed.

 

Step 5: Combine and Bake

Pour the prepared sauce over the chicken and mushroom mixture in the baking dish.

Cover the dish with foil or a lid.

Place the baking dish in the preheated oven and bake for 45 minutes.

 

Step 6: Serve

Once the baking time is complete, carefully remove the dish from the oven.

Serve the delicious chicken and mushroom bake over potatoes, pasta, or rice of your choice.

Enjoy!

Image: mollyshomeguide.com / Photographer Molly
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Image: mollyshomeguide.com / Photographer Molly
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Disclaimer: Our editors have used AI to create or enhance parts of this article and some images. All content has been fact-checked by our team to ensure accuracy.

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