Creamy Mushroom Chicken Bake

Featured in: Hearty Dinners

This oven-baked chicken dish brings together juicy chicken breasts and a luscious, creamy mushroom sauce that’s loaded with cremini mushrooms, garlic, Parmesan, and herbs. Sear the chicken for extra flavor, whip up an easy stovetop mushroom sauce, then bake until everything melds into a comforting entrée. A sprinkle of fresh parsley adds a bright finish. Enjoy with your favorite sides for the ultimate cozy dinner.

Updated on Thu, 02 Oct 2025 08:00:56 GMT
Golden-brown Creamy Mushroom Chicken Bake, swimming in a rich sauce with fresh parsley, ready to serve. Pin
Golden-brown Creamy Mushroom Chicken Bake, swimming in a rich sauce with fresh parsley, ready to serve. | kitchenprairie.com

This creamy mushroom chicken bake transforms simple ingredients into a restaurant-worthy dinner that's become my go-to when I need to impress without spending hours in the kitchen. The combination of tender chicken breasts and velvety mushroom sauce creates the ultimate comfort food experience that somehow tastes even better as leftovers.

I first made this dish when my in-laws visited unexpectedly, and it's now requested at every family gathering. Even my mushroom-skeptical nephew cleans his plate when this appears on the table.

Ingredients

  • Boneless skinless chicken breasts: These provide a lean protein base that stays juicy when baked properly
  • Salt and black pepper: Essential for layering flavor throughout the cooking process
  • Olive oil: Creates that beautiful golden sear on the chicken before baking
  • Unsalted butter: Adds richness to the sauce while allowing you to control the salt level
  • Onion and garlic: Forms the aromatic foundation of the sauce
  • Cremini mushrooms: Their earthy flavor intensifies when browned properly
  • All purpose flour: Creates the perfect thickness for the sauce without making it gummy
  • Chicken broth: Adds depth and savory notes to balance the cream
  • Heavy cream: Provides luxurious richness that coats each piece of chicken
  • Dried herbs: Thyme and oregano complement mushrooms perfectly
  • Parmesan cheese: Adds umami depth and helps thicken the sauce
  • Fresh parsley: Brightens the finished dish with color and fresh flavor

Instructions

Prepare the Oven and Chicken:
Preheat your oven to 400°F while you season chicken breasts generously with salt and pepper on both sides. This initial seasoning is crucial as it flavors the meat itself, not just the sauce.
Create the Perfect Sear:
Heat olive oil in a large skillet until shimmering but not smoking. Place chicken breasts carefully in the hot pan and let them cook undisturbed for 2 to 3 minutes until golden. Flip once and repeat. You're not cooking them through, just developing flavor through browning. Transfer to a baking dish.
Build the Flavor Base:
In the same skillet with all those delicious chicken bits, melt butter over medium heat. Add chopped onions and cook until they become translucent and soft, about 2 to 3 minutes. This slow cooking releases their natural sweetness.
Develop Mushroom Magic:
Add minced garlic and sliced mushrooms to the pan. The key here is patience. Cook for a full 5 to 6 minutes, stirring occasionally, until mushrooms release their moisture and then begin to brown. This concentrates their flavor dramatically.
Create the Silky Sauce:
Sprinkle flour over the mushroom mixture and stir constantly for a full minute. This cooks out the raw flour taste. Then gradually pour in chicken broth while whisking continuously to prevent lumps. Add heavy cream, herbs, and Parmesan, stirring until everything combines into a smooth, slightly thickened sauce.
Combine and Bake:
Pour the mushroom sauce evenly over the chicken in your baking dish, making sure each piece is well coated. Bake uncovered for 20 to 25 minutes until chicken reaches 165°F internally and the sauce is bubbling around the edges.
Finish with Freshness:
Remove from the oven and let rest for 5 minutes before sprinkles with chopped parsley. This brief rest allows the chicken juices to redistribute and the sauce to settle to the perfect consistency.
Sizzling Creamy Mushroom Chicken Bake with tender, juicy chicken and an irresistible, thick mushroom sauce. Pin
Sizzling Creamy Mushroom Chicken Bake with tender, juicy chicken and an irresistible, thick mushroom sauce. | kitchenprairie.com

You Must Know

  • Restaurant quality results with minimal effort
  • Perfect make ahead dish for busy weeknights
  • Naturally gluten free when using alternative flour
  • Versatile base recipe that welcomes customization

The mushrooms are truly the star of this recipe. I once made this dish with a blend of wild mushrooms I found at the farmers market, and the depth of flavor was absolutely incredible. My husband still talks about that version years later.

Make It Your Own

This recipe welcomes adaptation based on what you have available. While cremini mushrooms offer a deeper flavor than white button mushrooms, either works beautifully. For a more complex flavor profile, try a mix of mushroom varieties like shiitake, oyster, or even dried porcini that have been rehydrated.

The herbs can also be adjusted to your preference. Fresh herbs will provide brighter flavor than dried if you have them on hand. Rosemary pairs wonderfully with the mushrooms, as does a bit of fresh tarragon for a French inspired twist.

Perfect Pairings

This creamy mushroom chicken begs for something to soak up that incredible sauce. Fluffy mashed potatoes make an ideal base, but buttered egg noodles, steamed rice, or crusty bread work beautifully too.

For vegetables, consider simple steamed green beans, roasted asparagus, or a bright arugula salad dressed with lemon vinaigrette to cut through the richness of the dish.

Make Ahead Magic

This dish actually improves with time as the flavors meld together. You can prepare the entire dish up to the baking stage, cover and refrigerate for up to 24 hours. When ready to serve, simply allow the dish to come to room temperature for about 30 minutes before baking, adding an extra 5 to 10 minutes to the baking time.

The finished dish also reheats beautifully. Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the microwave or covered in a 300°F oven until warmed through.

A bubbling baking dish showcasing Creamy Mushroom Chicken Bake, a delicious, comforting American dinner. Pin
A bubbling baking dish showcasing Creamy Mushroom Chicken Bake, a delicious, comforting American dinner. | kitchenprairie.com

Troubleshooting Tips

If your sauce seems too thin after baking, you can thicken it by transferring the sauce to a saucepan and simmering gently until reduced to your desired consistency.

For chicken that seems dry, the most common culprit is overcooking. Use a meat thermometer to ensure you remove the dish from the oven once it reaches 165°F.

If your sauce breaks or curdles, it usually means the heat was too high when adding the dairy. Next time, make sure your sauce has cooled slightly before adding the cream and cheese.

Recipe Questions & Answers

What type of mushrooms works best here?

Cremini or button mushrooms offer a great balance of flavor and texture, but you can use portobello or mixed wild mushrooms for deeper earthy notes.

Can I substitute chicken breasts with thighs?

Yes, boneless skinless chicken thighs are also delicious and remain juicy throughout baking. Just adjust cooking time as needed.

Is it possible to make this gluten-free?

Substitute the all-purpose flour with a gluten-free blend and ensure all other ingredients used are certified gluten-free.

How should I serve this dish?

Pair with rice, mashed potatoes, or steamed vegetables to soak up the creamy sauce. Crusty bread also works well for dipping.

Can leftovers be stored?

Store any leftovers in an airtight container in the refrigerator for up to 3 days; reheat gently before serving.

Creamy Mushroom Chicken Bake

Tender chicken baked with savory mushrooms and creamy sauce, perfect for comforting family dinners.

Prep duration
15 min
Cook duration
35 min
Complete duration
50 min


Skill level Easy

Heritage American

Output 4 Portions

Diet specifications None specified

Components

Chicken

01 4 boneless, skinless chicken breasts
02 1/2 teaspoon salt
03 1/2 teaspoon black pepper
04 1 tablespoon olive oil

Mushroom Sauce

01 2 tablespoons unsalted butter
02 1 medium onion, finely chopped
03 3 garlic cloves, minced
04 10 oz cremini or button mushrooms, sliced
05 2 tablespoons all-purpose flour (use gluten-free if needed)
06 1 cup chicken broth
07 1 cup heavy cream
08 1 teaspoon dried thyme
09 1/2 teaspoon dried oregano
10 1/2 cup grated Parmesan cheese
11 Salt and pepper, to taste

Garnish

01 2 tablespoons fresh parsley, chopped

Directions

Phase 01

Preheat Oven: Preheat your oven to 400°F (200°C).

Phase 02

Season Chicken: Season chicken breasts with salt and black pepper on both sides.

Phase 03

Sear Chicken: Heat olive oil in a large skillet over medium-high heat. Sear chicken breasts for 2–3 minutes per side until lightly golden. Transfer to a baking dish.

Phase 04

Sauté Aromatics: In the same skillet, melt butter over medium heat. Add onions and cook for 2–3 minutes until translucent.

Phase 05

Cook Mushrooms: Add garlic and mushrooms; sauté for 5–6 minutes until mushrooms are browned and their liquid has evaporated.

Phase 06

Thicken Sauce Base: Sprinkle flour over the mushroom mixture, stir, and cook for 1 minute.

Phase 07

Prepare Cream Sauce: Gradually incorporate chicken broth, stirring constantly to achieve a smooth consistency. Add heavy cream, thyme, oregano, and Parmesan cheese. Stir until the sauce is smooth and slightly thickened, approximately 2–3 minutes. Adjust seasoning with salt and pepper as desired.

Phase 08

Assemble Bake: Pour the creamy mushroom sauce evenly over the seared chicken breasts in the baking dish.

Phase 09

Bake Chicken: Bake uncovered for 20–25 minutes, or until the internal temperature of the chicken reaches 165°F (74°C).

Phase 10

Garnish and Serve: Remove from the oven, sprinkle with chopped parsley, and serve immediately.

Necessary tools

  • Large skillet
  • Baking dish
  • Sharp knife
  • Chopping board
  • Measuring cups and spoons

Allergy details

Review each component for potential allergens and consult with healthcare professionals if you're uncertain.
  • Contains dairy (butter, cream, Parmesan cheese).
  • Contains gluten if regular flour is used.
  • Ensure chicken broth is free from allergens based on commercial product labels.
  • Carefully review ingredient labels for gluten or dairy if making substitutions.

Nutrient content (each portion)

This data is offered as a general guide and isn't a substitute for professional medical guidance.
  • Energy: 480
  • Fat: 28 g
  • Carbohydrates: 12 g
  • Protein: 44 g