Creamy Mushroom Chicken with Mashed Potatoes

It is 6pm and you need a meal that feels like a hug. If you are craving something rich and satisfying, this Creamy Mushroom Chicken is exactly what you need. It delivers a restaurant-quality dinner without the stress of a long prep.

Why You’ll Make This Again

This recipe is a staple for Winter comfort food. It combines tender chicken with a silky garlic-thyme sauce. You get a complete, hearty meal that the whole family will love. It is perfect for a Weeknight Dinner when time is short. This meal is ready in 50 minutes from start to finish.

How This Comes Together

This dish comes together in two main parts. You boil the potatoes while the chicken sears in the skillet. The sauce builds right in the same pan as the chicken. This saves you flavor and cleanup time later. Even a beginner can master this simple technique.

What You’ll Need

These simple pantry staples create a rich and flavorful meal.

• 4 boneless skinless chicken breasts
• 2 lbs Yukon Gold potatoes, peeled and cubed
• 8 oz cremini mushrooms, sliced
• 1 cup heavy cream
• 1/2 cup whole milk
• 4 tbsp unsalted butter, divided
• 3 cloves garlic, minced
• 2 tbsp olive oil
• 1 tsp dried thyme
• 1 tsp kosher salt
• 1/2 tsp ground black pepper

Step-By-Step Directions

1. Place peeled and cubed potatoes in a pot of cold salted water.
2. Bring to a boil and simmer for 15-20 minutes until tender.
3. Season chicken breasts on both sides with salt and black pepper.
4. Heat olive oil in a large skillet over medium-high heat.
5. Sear chicken for 6-8 minutes per side until fully cooked.
6. Remove chicken from the pan and set it aside.
7. Melt 1 tablespoon of butter in the same skillet.
8. Sauté sliced mushrooms for 5 minutes until browned.
9. Stir in minced garlic and cook for 1 minute.
10. Stir in heavy cream and dried thyme.
11. Simmer for 3-4 minutes until the sauce thickens slightly.
12. Drain the cooked potatoes and return them to the pot.
13. Add remaining butter and milk, then mash until smooth.
14. Return chicken to the skillet and coat with the sauce.
15. Serve the chicken and sauce over the mashed potatoes.

How To Serve It

Plate a large scoop of the buttery mashed potatoes first. Place the seared chicken breast right on top. Generously spoon the mushroom cream sauce over everything. Pair this with steamed green beans or a crisp side salad. It is an impressive meal for Casual hosting at home.

Leftovers & Storage

Store any leftovers in an airtight container in the fridge. They will stay fresh for up to three days. Reheat the chicken and sauce gently on the stove. Add a splash of milk if the sauce gets too thick. The mashed potatoes are best reheated in the microwave.

Make It Even Better (Pro Tips)

• Don’t skip browning the mushrooms for the best flavor.
• Use a meat thermometer to ensure the chicken stays juicy.
• Yukon Gold potatoes make the creamiest mash without extra effort.
• Pat the chicken dry before seasoning to get a better sear.
• Add a splash of white wine to deglaze the pan.
• Keep the heat at medium-low when adding the heavy cream.
• Make this for a Holiday side by doubling the mushroom sauce.

Easy Ways To Change It Up

• Stir in a handful of fresh spinach at the end.
• Swap the potatoes for cauliflower mash for lower carbs.
• Use chicken thighs if you prefer darker meat.
• Try rosemary instead of thyme for a different herb profile.

Quick Questions

Can I use milk instead of heavy cream?

You can use milk, but the sauce will be thinner. Heavy cream provides that signature richness you want in comfort food.

How do I know when the chicken is done?

The internal temperature should reach 165°F. Using a digital thermometer is the most reliable way to check.

What are the best mushrooms to use?

Cremini or baby bella mushrooms offer the best earthy flavor. White button mushrooms also work if that is what you have.

I hope you love this cozy dinner as much as I do. It is simple, fast, and incredibly satisfying. Let me know how yours turns out!

— Ethan

Creamy Mushroom Chicken with Mashed Potatoes

Print Recipe Pin Recipe

Prep Time 20 minutes mins

Cook Time 30 minutes mins

Total Time 50 minutes mins

Servings: 4 servings

Calories: 680

Ingredients Method

Ingredients

  

• 4 boneless skinless chicken breasts
• 2 lbs Yukon Gold potatoes, peeled and cubed
• 8 oz cremini mushrooms, sliced
• 1 cup heavy cream
• 1/2 cup whole milk
• 4 tbsp unsalted butter, divided
• 3 cloves garlic , minced
• 2 tbsp olive oil
• 1 tsp dried thyme
• 1 tsp kosher salt
• 1/2 tsp ground black pepper

Method

 

1. Place peeled and cubed potatoes in a large pot of cold salted water. Bring to a boil, then reduce heat and simmer for 15-20 minutes until fork-tender.
2. Season chicken breasts on both sides with salt and black pepper.
3. Heat olive oil in a large skillet over medium-high heat. Sear chicken for 6-8 minutes per side until the internal temperature reaches 165°F (74°C). Remove chicken from the pan and set aside.
4. In the same skillet, melt 1 tablespoon of butter. Add sliced mushrooms and sauté for 5 minutes until browned. Stir in the minced garlic and cook for 1 minute until fragrant.
5. Stir in the heavy cream and dried thyme. Bring the mixture to a gentle simmer and cook for 3-4 minutes until the sauce has thickened slightly.
6. Drain the cooked potatoes and return them to the pot. Add the remaining 3 tablespoons of butter and the milk. Mash until smooth and creamy.
7. Return the chicken breasts to the skillet, spooning the mushroom cream sauce over them to coat and reheat.
8. Serve the chicken and mushroom sauce immediately over a portion of mashed potatoes.