Unforgettable Creamy Chicken Casserole: The Ultimate Chicken Gloria with Homemade Mushroom Gravy
Prepare to elevate your dinner game with this incredibly delicious and ultra-creamy Chicken Casserole. Lovingly known as “Chicken Gloria,” this dish is a true showstopper, featuring tender chicken baked in a luscious homemade gravy brimming with plump, savory mushrooms. Forget the bland, canned soup versions; this recipe promises a depth of flavor and a silky texture that will impress even the most discerning palates. Whether you’re hosting a special dinner or looking for the perfect potluck contribution, this Chicken Gloria casserole is an absolute must-try.

Chicken recipes hold a special place in our hearts for their versatility and widespread appeal. From sizzling restaurant copycats like TGI Friday’s Sizzlin Chicken and Cheese to classic Italian-inspired dishes such as Olive Garden’s Chicken Piccata, chicken always delivers. But few dishes capture the essence of comfort and gourmet flavor quite like a well-made chicken casserole. This Mushroom and Chicken Casserole stands out as a truly magnificent and satisfying meal.
Why This Creamy Chicken Casserole Recipe is a Game Changer
A good chicken casserole is comforting, but a great one is unforgettable. The secret to transforming a simple chicken bake into a culinary masterpiece lies in two key elements: fresh mushrooms and a truly homemade gravy. Traditional Chicken Gloria recipes often rely on canned cream of mushroom soup for convenience, which, while quick, can introduce unwanted sodium, preservatives, and a flavor profile that pales in comparison to a gravy made from scratch. For a family dinner, or any meal where quality matters, opting for better-for-you ingredients makes all the difference.
This recipe was crafted with a clear vision: to create a creamy chicken casserole that boasts incredible flavor and texture without the shortcuts of processed ingredients. By taking a little extra time to build a roux-based gravy, you unlock a depth of savory goodness that canned soups simply cannot provide. The combination of rich chicken broth, heavy cream, and a touch of sour cream forms a velvety sauce that perfectly coats every piece of tender chicken and juicy mushroom. This isn’t just a meal; it’s a celebration of wholesome ingredients and homemade goodness.
The Secret to Ultimate Creaminess: Cheese!
Beyond the homemade gravy, there’s another “secret” ingredient that elevates the creaminess of this Chicken Gloria: cheese! Melting a generous amount of cheese directly into the gravy doesn’t just add a delicious savory tang; it also helps maintain that luxurious, creamy consistency throughout the baking process. The cheese integrates seamlessly, making the gravy even more decadent and irresistible.
The resulting sauce is so incredibly rich and flavorful, it’s versatile enough to be a dish on its own. Imagine ladling this savory chicken and mushroom gravy over your favorite pasta to create a deconstructed, yet equally delicious, Chicken Alfredo. The possibilities are endless when your gravy is this good!

Crafting Your Own Chicken Gloria: A Simple Guide
Creating this creamy chicken casserole is simpler than you might think, and the payoff in flavor is immense. The process involves preparing the chicken and mushrooms, then building a rich, flavorful gravy right in the same pan, capturing all those delicious browned bits that add so much depth. Finally, everything comes together in a baking dish, ready for a comforting bake in the oven.
First, tender chicken pieces are seasoned and lightly dredged in flour before being pan-fried to a beautiful golden brown. This step not only adds a lovely crust but also helps lock in moisture, ensuring incredibly tender chicken. Next, the mushrooms and onions are sautéed until fragrant and perfectly caramelized, adding an earthy counterpoint to the rich sauce. The magic happens when you build the homemade gravy in the very same skillet, incorporating the leftover dredging flour for a perfect roux. This technique infuses the gravy with all the delicious flavors left behind from the chicken and mushrooms. Once the velvety gravy is whisked to perfection and poured over the chicken and mushroom layers, it’s off to the oven for a blissful bake.
Frequently Asked Questions About Chicken Gloria Casserole
FAQ
What is Chicken Gloria?
Chicken Gloria is a delectable baked chicken casserole, traditionally made with chicken and mushroom gravy. While many recipes historically call for canned cream of mushroom soup, our version prides itself on a rich, flavorful homemade gravy, offering a superior taste and texture.
What other Vegetables can I cook this Creamy Chicken Casserole with?
While Chicken Gloria is traditionally centered around chicken and mushrooms, its creamy base is incredibly versatile for adding other vegetables. Consider boosting the nutritional value and flavor with additions like:
- Broccoli florets: Adds a fresh, slightly bitter contrast.
- Crispy bacon bits: Introduces a smoky, salty crunch.
- Cauliflower florets: A mild, hearty addition.
- Green beans: For a pop of color and tender-crisp texture.
- Sliced carrots: Adds sweetness and vibrant color.
- Asparagus spears: A delicate, earthy flavor.
- Brussel sprouts: For a robust, slightly nutty taste.
- Bell peppers: Offers sweetness and a beautiful visual appeal.
Simply sauté these vegetables along with the mushrooms and onions, or blanch them lightly before adding to the casserole dish.
Essential Ingredients for the Best Creamy Chicken Casserole?
This Chicken Gloria recipe relies on basic, high-quality ingredients that come together to create something truly extraordinary. The cheese, in particular, can be easily customized to your preference.
- Chicken: Boneless, skinless chicken breasts or tenders are ideal for quick cooking and tender results.
- Flour: Used for dredging the chicken and thickening the gravy. For a gluten-free option, cornstarch works beautifully as a substitute.
- Salt and Pepper: Essential seasonings that form the foundation of flavor for both the chicken and the gravy.
- Oil for Frying: Vegetable oil, canola oil, or soybean oil are all suitable for pan-frying the chicken and sautéing vegetables.
- Fresh White Button Mushrooms: These are widely available and offer a classic earthy flavor. Feel free to explore cremini or shiitake for added depth.
- Garlic: Freshly crushed garlic cloves are non-negotiable for their aromatic punch.
- Unsalted Butter: The base for our rich roux. If using salted butter, simply adjust the added salt in the gravy.
- Chicken Broth: Provides the savory liquid foundation for the gravy. You can also use 2 teaspoons of chicken bouillon powder dissolved in 2 cups of water.
- Heavy Whipping Cream: Key to achieving that luxurious, velvety texture. Whole milk or half-and-half can be used for a lighter option, but the richness will be slightly reduced.
- Sour Cream: Adds a delightful tang and extra creaminess, balancing the richness of the other ingredients. We recommend a good quality brand like Daisy.
- Muenster Cheese: Melts beautifully and adds a mild, creamy flavor. Monterey Jack, Colby, or Mozzarella are excellent substitutes.
- Paprika: Contributes a beautiful hue and a subtle, sweet peppery note to the chicken dish.
- White Distilled Vinegar: A secret weapon! A tiny splash cuts through the richness, brightening the overall flavor profile and preventing the dish from tasting too heavy.
Can I make this Chicken Casserole Gluten-Free?
Absolutely! Making this creamy chicken casserole gluten-free is straightforward. Simply substitute the all-purpose flour with cornstarch. Cornstarch is an excellent thickening agent for gravies and slurries. When using cornstarch, remember to create a slurry (mix with a small amount of cold liquid) before adding it to the hot gravy to prevent lumps. Be mindful not to use an excessive amount, as it can sometimes leave a subtle starchy aftertaste if overdone.
What to serve with a Chicken Casserole?
Given the rich, flavorful gravy of this chicken recipe, it pairs beautifully with starches that can soak up every last drop. Classic companions include:
- Creamy Mashed Potatoes: A timeless combination, perfect for soaking up the luscious gravy. Try our best mashed potatoes recipe.
- Fluffy White Rice: A simple yet effective canvas for the rich chicken and mushroom sauce. Learn how to cook perfect rice.
- Pasta: Transform it into a gourmet Alfredo-style dish by spooning the casserole mixture over fettuccine, linguine, or penne.
To balance the richness, fresh salads make excellent side dishes:
- A crisp cucumber cabbage salad.
- A refreshing and creamy cucumber tomato salad.
Don’t forget some crusty bread to mop up any remaining gravy!
Can Chicken Gravy and Casserole be frozen?
Yes, gravy actually freezes remarkably well, and this creamy chicken casserole is no exception! Freezing leftovers is a fantastic way to enjoy a homemade meal on a busy day. Many people freeze sausage gravy for future biscuit breakfasts, and this chicken gravy holds up just as beautifully.
To freeze Chicken Gloria: Assemble all ingredients in a disposable baking dish (this makes for easy transfer and less cleanup!). Allow the casserole to cool completely to room temperature. Once cooled, cover it tightly with aluminum foil and freeze for up to 3 months. For best results, consider a double layer of foil or a freezer-safe lid to prevent freezer burn.
To reheat: Thaw the frozen casserole completely in the refrigerator overnight. Once thawed, bake as instructed in the recipe for approximately 45 minutes, or until it’s thoroughly hot and bubbling. If baking from frozen, it will take significantly longer (potentially 1.5-2 hours) at a slightly lower temperature (e.g., 325°F) to ensure even heating without drying out the top, then uncovered for the last 15-20 minutes.
Can I make this Creamy Chicken Casserole Ahead?
This creamy chicken casserole is an ideal candidate for meal prepping and making ahead, especially since all the components are layered before baking anyway! This makes it a perfect dish for busy weeknights or entertaining.
How to Make Creamy Chicken Casserole ahead of time: Prepare and layer the chicken, mushrooms, and homemade gravy according to the recipe instructions. Allow the assembled casserole to cool completely to room temperature. Once cooled, cover the dish tightly with plastic wrap and then aluminum foil. Refrigerate for up to 3 days. When ready to bake, simply uncover and bake at 350°F (175°C) for 45 minutes, or until the casserole is bubbly, hot, and the chicken is cooked through.
Slow Cooker Instructions:
For a hands-off approach, this Chicken Gloria casserole can be adapted for a slow cooker, delivering the same tender chicken and creamy sauce with minimal effort.
- Season the chicken pieces with salt and pepper, then dredge them lightly in flour. Place the floured chicken evenly at the bottom of a 5-quart or larger slow cooker.
- In a medium saucepan, sauté the sliced mushrooms and chopped onion for about 10 minutes until softened and slightly browned. This step is crucial for developing flavor. Spread this mushroom-onion mixture over the chicken in the slow cooker.
- Using the same saucepan (no need to clean!), melt the butter. Stir in the remaining flour to create a roux, cooking for 1-2 minutes. Gradually whisk in the chicken broth and heavy cream, then stir in the sour cream, vinegar, salt, pepper, and paprika until the gravy begins to thicken. Finally, add the Muenster cheese and stir until melted and smooth.
- Pour this homemade creamy gravy evenly over the chicken and mushrooms in the slow cooker.
- Cover and cook on LOW for 4-5 hours or on HIGH for 3 hours, or until the chicken is cooked through and tender, and the sauce is bubbly and heated through. Serve directly from the slow cooker or transfer to a serving dish.
Expert Tips for the Perfect Creamy Chicken Casserole:
- Choose the Right Pan: Use a deep frying pan or Dutch oven for searing the chicken and sautéing vegetables, as you’ll build the gravy in the same pan. This allows you to capture all the flavorful fond (browned bits) at the bottom, which adds incredible depth to your homemade gravy.
- Tender Chicken Secret: For exceptionally tender chicken, consider a quick pre-treatment with baking soda. Sprinkle chicken pieces with about 1 teaspoon of baking soda and 2 tablespoons of vinegar, let it sit for 10 minutes, then rinse thoroughly and pat dry before proceeding with seasoning and dredging. This helps to break down muscle fibers.
- Season Directly: Always season your chicken pieces directly with salt and pepper before dredging in flour. This ensures that the flavor penetrates the meat, rather than just coating the exterior, and prevents the seasoning from being left behind in the dredging flour.
- Utilize Dredging Flour: Don’t discard the excess flour used for dredging the chicken! This flour is infused with chicken flavor and can be incorporated into your gravy roux, further enhancing the overall taste of your casserole. Simply measure out the required amount from the reserved flour.
- Fresh Ingredients Matter: While convenience is tempting, the use of fresh mushrooms and a homemade gravy truly distinguishes this dish. The vibrant flavors of fresh ingredients elevate the entire casserole.
- Don’t Rush the Roux: When making the gravy, cook the flour and butter (roux) for a minute or two until lightly golden. This cooks out the raw flour taste and ensures a smooth, nutty-flavored sauce.
Enhance Your Kitchen with These Recommended Tools:
Having the right kitchen equipment can make preparing this delicious casserole even more enjoyable and efficient.
- White STAUB Baking Dish: A high-quality baking dish ensures even cooking and looks beautiful when serving.
- Deep Frying Pan: Essential for searing chicken and building the rich homemade gravy.
- STAUB Wooden Spoon: A sturdy and gentle utensil for stirring and sautéing.
Explore More Delicious Chicken Casserole Creations:
If you’ve fallen in love with the comfort and convenience of chicken casseroles, be sure to try these other fantastic recipes from our collection:
- Loaded Baked Potato Casserole with Chicken and Mushrooms: A hearty, comforting dish packed with all your favorite baked potato flavors.
- Chicken Pot Pie Casserole with Biscuits: The classic flavors of chicken pot pie made easy with a fluffy biscuit topping.
- Creamy Spinach Chicken: A simple yet elegant creamy chicken dish, perfect for a quick weeknight meal.
- Monterey Chicken: A flavorful and cheesy chicken bake inspired by restaurant favorites.

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Creamy Chicken Casserole (Chicken Gloria Casserole)
15 minutes
25 minutes
40 minutes
1 hour
20 minutes
12
servings
Alyona Demyanchuk
This Creamy
Chicken Casserole
is baked in an ultra-creamy homemade gravy and plump mushrooms! It’s called Chicken Gloria and makes the perfect dish to impress guests or bring along to a potluck! It’s one tasty chicken recipe!
Equipment
-
9×13 baking dish
Ingredients
Ingredients for the Mushrooms and Chicken:
-
3
large chicken breasts cut into 1 1/2″ strips
(2 1/2 lbs) -
3/4
cup
flour -
1 1/2
tsp
salt -
1/2
tsp
black pepper -
1
lb
mushrooms
(sliced) -
1/2
cup
onions -
4
cloves
garlic
(crushed) -
1/2
cup
oil
divided
Homemade Gravy:
-
5
Tbsp
butter -
1/3
cup
flour -
2
cups
chicken broth -
1
cup
heavy cream -
1/3
cup
sour cream -
1
tbsp
white distilled vinegar -
1
tsp
salt -
1/2
tsp
black pepper -
1/4
tsp
paprika -
6
oz
Muenster cheese
Instructions
How to make Creamy Chicken Casserole:
-
Season chicken pieces with salt and pepper. Dredge in the flour and fry in batches using 3 Tbsp of oil for each batch until golden brown. Transfer to a 9×13 baking dish. Reserve the remaining dredging flour for the gravy.
-
Wipe the skillet clean and add 3 tbsp of oil. Fry the sliced mushrooms and onion for about 10 minutes over medium-high heat until softened and lightly caramelized. Add the crushed garlic and cook for 1 minute more until fragrant. Transfer this mixture to the baking dish, spreading it over the chicken.
-
Return the same frying pan to the heat and melt the butter. Whisk in the reserved dredging flour (approximately 1/3 cup) to create a roux, cooking for 1-2 minutes. Gradually pour in the chicken broth and heavy cream while continuously whisking to prevent lumps. Whisk in the sour cream, white distilled vinegar, salt, pepper, and paprika. Continue to stir until the gravy is creamy and thick. Finally, stir in the Muenster cheese until fully melted and smooth. Pour this rich homemade gravy evenly over the layered chicken and mushrooms in the baking dish. Cover the baking dish with foil and bake at 350°F (175°C) for 40 minutes, or until bubbly and hot.
Notes
- Quick Meat-Tenderizer: For extra tender chicken, sprinkle chicken pieces with 1 teaspoon of baking soda and 2 Tbsp of vinegar and let sit for 10 minutes before proceeding with the recipe. Rinse thoroughly and pat dry before using.
- Garnish: Before serving, sprinkle the finished casserole with additional black pepper and freshly chopped parsley or cilantro for a burst of freshness and color.
- Make-Ahead Instructions: Layer the cooked chicken, sautéed mushrooms, and prepared gravy in the baking dish according to the recipe. Allow to cool completely. Cover tightly and refrigerate for up to 3 days. When ready to bake, uncover and bake at 350°F (175°C) for 45 minutes or until bubbly and hot throughout.
- Freezer Instructions: Prepare and layer the casserole in a disposable pan for easy freezing and thawing. Allow the casserole to cool completely. Cover tightly with foil (double layer for best results) and freeze for up to 3 months. Thaw completely in the refrigerator before baking as instructed above.
Nutrition per serving
Serving:
1
serving
Calories:
376
kcal
Carbohydrates:
11
g
Protein:
18
g
Fat:
29
g
Saturated Fat:
12
g
Cholesterol:
93
mg
Sodium:
840
mg
Potassium:
420
mg
Fiber:
1
g
Sugar:
1
g
Vitamin A:
663
IU
Vitamin C:
5
mg
Calcium:
132
mg
Iron:
1
mg