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Creamy Mushroom Rosemary Chicken with Gruyere

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Creamy mushroom rosemary chicken with Gruyere is a cozy, flavorful one-skillet meal that’s both elegant and comforting. Juicy pan-seared chicken is smothered in a rich cream sauce with sautéed mushrooms, fresh rosemary, and nutty Gruyere cheese. Perfect for a weeknight dinner or a special occasion.

Ingredients

  • 4 boneless, skinless chicken breasts or thighs
  • 2 tbsp olive oil or butter
  • Salt and black pepper, to taste
  • 3 cloves garlic, minced
  • 1 tbsp fresh rosemary, finely chopped (or 1 tsp dried)
  • 8 oz cremini or button mushrooms, sliced
  • 1/2 cup chicken broth
  • 3/4 cup heavy cream
  • 1 cup Gruyere cheese, grated
  • Optional: 1 tsp Dijon mustard
  • Optional: chopped fresh parsley for garnish

Instructions

  1. Season chicken with salt and pepper on both sides.
  2. In a large skillet, heat olive oil or butter over medium heat. Sear chicken for 5–6 minutes per side until golden and cooked through. Remove and set aside.
  3. In the same skillet, add a bit more oil if needed. Sauté garlic and rosemary for 30 seconds.
  4. Add mushrooms and cook until browned and their moisture has evaporated, about 5–7 minutes.
  5. Deglaze the pan with chicken broth, scraping up any browned bits from the bottom.
  6. Stir in heavy cream and Dijon mustard (if using). Simmer 2–3 minutes to thicken slightly.
  7. Reduce heat to low and stir in Gruyere cheese until melted and smooth.
  8. Return chicken to the skillet and spoon sauce over the top. Simmer for 2–3 more minutes.
  9. Garnish with chopped parsley and serve warm.

Notes

  • Use half-and-half instead of cream for a lighter sauce.
  • Substitute Gruyere with Swiss, fontina, or white cheddar if needed.
  • Serve over mashed potatoes, rice, or pasta to soak up the sauce.
  • Store leftovers in the fridge for up to 3 days. Reheat gently with a splash of broth or cream.

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