June 15, 2026 · 40 min

Cheesy Mushroom Chicken with Mashed Potatoes and Roasted Carrots

Side Dish40 min938 cal / serving

There’s something magical about the combination of tender chicken, savory mushrooms and melted cheese. This dish brings all that together in a comforting, hearty meal that’s perfect for a cozy night in. The chicken is seared until golden, then topped with a rich mushroom gravy and gooey Monterey Jack cheese.

On the side, you’ll find creamy mashed potatoes made with sour cream and butter, plus roasted carrots with crispy edges. Every bite is packed with flavor and the gravy ties everything together beautifully. It’s a complete dinner that feels special but is surprisingly simple to make.


Recipe details

Side Dish40 min938 cal / serving2 servings

Nutrition per serving

Calories938 kcalProtein63.3 gFat49.3 gCarbs54.7 gSugar18.8 gFiber6 gSodium1229 mg

Dietary labels

Gluten-free: yesLactose-free: noDairy-free: no

Allergen check

Gluten / wheat: not detectedMilk / dairy: containsEgg: not detectedFish: not detectedShellfish: not detectedPeanut: not detectedTree nuts: not detectedSoy: not detectedSesame: not detectedMustard: not detectedCelery: not detectedSulphites: not detectedLupin: not detectedMolluscs: not detected

Values are calculated per serving from ingredient amounts and the ingredient nutrition reference per 100g. Allergen and diet labels use available ingredient metadata and name matching; always check product labels for strict diets or allergies. Some ingredient amounts or nutrition values were incomplete, so this is marked as a partial estimate.


Ingredients

Carrots9 ounce CarrotsView ingredient guide
Button Mushrooms4 ounce Button MushroomsView ingredient guide
Scallions2 unit ScallionsView ingredient guide
Yukon Gold Potatoes12 ounce Yukon Gold PotatoesView ingredient guide
Chicken Breasts12 ounce Chicken BreastsView ingredient guide
Sour Cream4 tablespoon Sour CreamView ingredient guide
Vegetable Oil1 tablespoon Vegetable OilView ingredient guide
Butter2 tablespoon ButterView ingredient guide
SaltSaltView ingredient guide
PepperPepperView ingredient guide

Instructions

  1. Adjust rack to top position and preheat oven to 425°F. Wash and dry all produce. Trim, peel and cut carrots on a diagonal into 1-inch-thick pieces. Trim and thinly slice mushrooms. Trim and thinly slice scallions, separating whites from greens.
  2. Toss carrots on a baking sheet with a drizzle of oil, salt and pepper. Roast until tender, 25-30 minutes. Meanwhile, dice potatoes into ½-inch pieces (peel first for a smoother texture). Place in a large pot with enough salted water to cover by 2 inches. Bring to a boil and cook until tender, 15-20 minutes. Reserve ½ cup potato cooking liquid; drain and return potatoes to pot.
  3. While potatoes cook, pat chicken dry with paper towels and season all over with salt and pepper. Heat a drizzle of oil in a large pan over medium-high heat. Add chicken and cook until browned and cooked through, 5-7 minutes per side. Turn off heat; transfer to a plate.
  4. Heat pot with drained potatoes over low heat; add 1 TBSP butter (2 TBSP for 4 servings) and half the sour cream (you’ll use the rest later). Using a potato masher or fork, mash potatoes until smooth and creamy, adding splashes of reserved potato cooking liquid as needed. Season with salt and pepper.
  5. Heat a drizzle of oil in pan used for chicken over medium-high heat. Add mushrooms and scallion whites; season with salt and pepper. Cook, stirring, until softened, 2-4 minutes. Stir in stock concentrate and ¼ cup water (⅓ cup for 4 servings). Bring to a boil, then reduce to a low simmer. Cook until slightly thickened, 1-2 minutes. Turn off heat. Stir in 1 TBSP butter and remaining sour cream. Season with salt and pepper.
  6. Heat pan with sauce over medium low; add chicken and spoon sauce over. Evenly top chicken with Monterey Jack. Cover pan until cheese has melted, 1-2 minutes. Divide chicken, carrots and potatoes between plates. Spoon remaining sauce over chicken and potatoes. Garnish with scallion greens and serve.

Recipe Tips

For extra creamy mashed potatoes, warm the sour cream and butter before adding.

If you don’t have a potato masher, use a fork or a ricer.

Make sure to pat the chicken dry before seasoning to get a good sear.

FAQ

Can I use a different type of cheese?

Yes, you can substitute Monterey Jack with mozzarella, provolone or a mild cheddar for a similar melt.

Can I make this dish ahead of time?

The components can be prepared separately and assembled just before serving. Store the chicken, gravy, potatoes and carrots in the fridge and reheat gently.

What can I use instead of chicken stock concentrate?

You can use 1/4 cup of chicken broth or stock, but you may need to reduce the added water slightly.

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