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Creamy Chicken and Mushroom Bake

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A warm and rich one-pan creamy chicken and mushroom bake that’s simple to make and perfect for any busy weeknight.

Ingredients

Scale
  • 1.5 lb boneless, skinless chicken breasts or thighs
  • 1 teaspoon kosher salt, plus more to taste
  • 1/2 teaspoon black pepper
  • 2 tablespoons olive oil
  • 2 tablespoons butter
  • 8 oz cremini or button mushrooms, sliced
  • 1 small onion (or 1 large shallot), diced
  • 3 garlic cloves, minced
  • 2 tablespoons all-purpose flour
  • 1 cup low-sodium chicken broth
  • 1 cup heavy cream or half-and-half
  • 1 teaspoon Dijon mustard
  • 1 teaspoon dried thyme (or 2 teaspoons fresh)
  • 1/2 teaspoon smoked paprika (optional)
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup shredded mozzarella or Gruyère (optional, for topping)
  • 1/2 cup panko breadcrumbs mixed with 1 tablespoon melted butter (optional, for crunch)
  • Fresh parsley, chopped, for garnish

Instructions

  1. Heat oven to 400°F (200°C).
  2. Pat chicken dry. Season with salt and pepper.
  3. Heat olive oil in a large oven-safe skillet over medium-high. Sear chicken 2–3 minutes per side until golden. Transfer to a plate.
  4. Lower heat to medium. Add butter, mushrooms, and onion. Cook 5–7 minutes, stirring, until mushrooms are browned and onions are soft. Add garlic; cook 30 seconds.
  5. Sprinkle flour over the pan. Stir and cook 1 minute.
  6. Whisk in chicken broth, then cream. Stir in Dijon, thyme, and paprika. Simmer 2–3 minutes until slightly thick.
  7. Stir in Parmesan. Taste and adjust salt and pepper.
  8. Return chicken and any juices to the pan, nestling into the sauce. If your skillet is not oven-safe, transfer to a baking dish.
  9. Optional: Top with mozzarella and buttered panko.
  10. Bake 15–20 minutes, until the chicken reaches 165°F (74°C) and the sauce bubbles.
  11. Rest 5 minutes. Garnish with parsley. Serve warm.

Notes

This dish can be made gluten-free, dairy-free, or low-carb with quick swaps. Leftovers keep well and reheat nicely.

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