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Featured image of a delicious and healthy Chicken Mushroom Spinach Skillet ready to be served.

Easy Chicken Mushroom Spinach Skillet

This easy chicken mushroom spinach skillet is a quick and healthy one-pan meal perfect for weeknight dinners. It features tender chicken, savory mushrooms, and fresh spinach cooked in a flavorful sauce, offering a complete and satisfying dish.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4
Course: Main Course
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

  • 1.5 lbs boneless, skinless chicken breasts, cut into 1-inch pieces
  • 1 tbsp olive oil
  • 8 oz cremini mushrooms, sliced
  • 4 cloves garlic, minced
  • 5 oz baby spinach
  • 1/2 cup chicken broth
  • 1/4 cup heavy cream optional
  • 1/4 cup grated Parmesan cheese optional
  • 1 tbsp butter
  • 1 tsp dried thyme
  • 1/2 tsp salt, or to taste
  • 1/4 tsp black pepper, or to taste
  • Pinch of red pepper flakes optional

Equipment

  • Large skillet (cast iron recommended)
  • cutting board
  • knife
  • Measuring cups
  • Measuring spoons
  • paper towels

Method
 

  1. Prepare the Chicken: Pat the chicken pieces dry with paper towels. Season with salt, pepper, and thyme.
  2. Sear the Chicken: Heat olive oil in a large skillet over medium-high heat. Add the chicken in a single layer (work in batches if necessary to avoid overcrowding). Sear for 3-4 minutes per side, until golden brown and cooked through. Remove the chicken from the skillet and set aside.
  3. Sauté the Mushrooms: Add butter to the skillet. Add the sliced mushrooms and cook for 5-7 minutes, stirring occasionally, until softened and browned.
  4. Add Garlic: Add the minced garlic to the skillet and cook for 1 minute, until fragrant. Be careful not to burn the garlic.
  5. Wilt the Spinach: Add the baby spinach to the skillet and cook until wilted, about 2-3 minutes.
  6. Combine and Simmer: Pour in the chicken broth, scraping up any browned bits from the bottom of the skillet. Return the chicken to the skillet. Bring to a simmer and cook for 5 minutes, allowing the flavors to meld together.
  7. Finish and Serve: Stir in the heavy cream (if using) and Parmesan cheese (if using). Cook for another minute until heated through. Season with salt, pepper, and red pepper flakes (if using) to taste. Serve immediately.

Notes

For a lighter dish, omit the heavy cream and Parmesan cheese. Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in a skillet or microwave. To prevent soggy spinach, ensure it is added last and cooked only until wilted. Serve over rice or pasta for a more substantial meal.