This creamy chicken mushroom spinach skillet is the kind of weeknight dinner that feels comforting without asking for much effort. Tender chicken pieces, browned mushrooms, and wilted spinach simmer in a garlicky Parmesan cream sauce, and everything cooks in one pan in about 30 minutes.
The recipe uses simple ingredients you can find in any grocery store, so it works for busy evenings, meal prep, or a relaxed family dinner. The sauce is rich but balanced by the vegetables, and the leftovers reheat nicely on the stove.
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Why This Works
Browning the chicken first builds a flavorful base in the skillet, and those browned bits dissolve into the cream sauce later. Cooking the mushrooms until their liquid evaporates keeps the sauce from turning watery, and adding the spinach at the very end lets it wilt in a minute or two so it stays bright and tender.
Heavy cream and Parmesan do most of the work for the sauce. The cheese thickens the cream as it simmers, so you do not need flour or cornstarch. Because Parmesan is already salty, you only need a small amount of extra salt at the end.
It is also flexible. You can swap the spinach for kale, add a splash of chicken broth for a thinner sauce, or serve the skillet over almost any starch you like.
Ingredients
- 1 1/4 lb boneless skinless chicken breasts, cut into 3/4 inch pieces
- 8 oz sliced mushrooms (cremini or white)
- 5 oz fresh baby spinach (about 5 packed cups)
- 1 cup heavy cream
- 1/2 cup grated Parmesan cheese
- 2 cloves garlic, minced
- 1 tablespoon olive oil
- Salt and black pepper, to taste
How to Make Creamy Chicken Mushroom Spinach Skillet
1. Brown the chicken
Heat the olive oil in a large deep skillet over medium-high heat. Season the chicken pieces with salt and pepper, add them in a single layer, and cook for 6 to 8 minutes, stirring only once or twice, until golden and cooked through. Move the chicken to a plate and leave the browned bits in the pan.
2. Cook the mushrooms
Lower the heat to medium and add the mushrooms. Cook for 5 to 6 minutes, stirring now and then, until their liquid cooks off and they start to brown. Add the garlic and stir for 30 seconds, just until fragrant.
3. Wilt the spinach
Add the spinach in handfuls and stir until each batch wilts before adding the next. This takes about 2 minutes in total, and the pan will look full at first but shrink quickly.
4. Build the sauce
Pour in the heavy cream and bring it to a gentle simmer. Stir in the Parmesan and cook for 3 to 4 minutes, until the sauce is thick enough to coat the back of a spoon.
5. Finish the skillet
Return the chicken and any juices from the plate to the skillet and warm everything for a minute. Taste, then add salt and pepper as needed. Make sure the chicken reads 165 degrees F on a food thermometer before serving.
How to Serve
This skillet has plenty of sauce, so it pairs well with something that can soak it up. Spoon it over creamy southern mashed potatoes for a cozy plate, or toss it with creamy garlic parmesan orzo for a pasta style dinner.
For a lighter meal, serve it with easy roasted potatoes and a simple green salad. A slice of quick cheesy garlic bread is perfect for wiping the pan clean.
How to Store and Reheat
Let the skillet cool for a short time, then move it to an airtight container and refrigerate within 2 hours of cooking. The leftovers keep for up to 3 days.
Reheat gently in a skillet over low heat with a splash of milk or chicken broth, stirring often, until the chicken is hot throughout at 165 degrees F. Cream sauces can separate if they are heated too fast, so avoid high heat. If you want to freeze it, use a sealed container and thaw it in the refrigerator first, but expect the sauce to be a little thinner.
Tips and Variations
Cut the chicken into pieces of about the same size so it cooks evenly, and use a food thermometer to confirm doneness. Utah State University Extension also lists 165 degrees F as the target for chicken in its own spinach skillet recipe.
Do not crowd the mushrooms. If the pan is too full, they steam instead of browning, so cook them in two batches if needed. For extra flavor, add a pinch of red pepper flakes with the garlic, a squeeze of lemon at the end, or a spoonful of Dijon mustard stirred into the cream.
If you prefer a lighter sauce, replace half of the cream with chicken broth and simmer a little longer. Frozen spinach also works. Thaw it, squeeze out the water, and stir it in with the cream.
FAQ
Can I use chicken thighs instead of chicken breasts?
Yes. Boneless skinless thighs stay a little juicier and need a couple more minutes of cooking. Cut them into similar sized pieces and cook until they reach 165 degrees F.
Can I use frozen spinach?
You can. Thaw it completely and squeeze out as much water as you can, then stir it in with the cream. Use about 1/2 of a 10 oz package so the sauce does not turn watery.
How do I keep the cream sauce from splitting?
Keep the heat at a gentle simmer and avoid boiling the cream hard. Stir in the Parmesan gradually, and use freshly grated cheese because it melts more smoothly than the pre shredded kind.
Is there a dairy free option?
Coconut cream can replace the heavy cream, and nutritional yeast can stand in for the Parmesan. The flavor will be different, but the texture stays creamy.
What can I serve with this skillet?
Mashed potatoes, roasted potatoes, rice, pasta, or crusty bread all work well. A crisp green salad on the side balances the richness of the sauce.
Creamy Chicken Mushroom Spinach Skillet
Ingredients
Main Ingredients
- 1 ¼ lb boneless skinless chicken breasts cut into 3/4 inch pieces
- 8 oz sliced mushrooms cremini or white
- 5 oz fresh baby spinach about 5 packed cups
- 1 cup heavy cream
- ½ cup grated Parmesan cheese
- 2 cloves garlic minced
- 1 tbsp olive oil
- salt and black pepper to taste
Instructions
Cooking
- Heat the olive oil in a large deep skillet over medium-high heat. Season the chicken with salt and pepper and cook in a single layer for 6 to 8 minutes, until golden and cooked through. Move the chicken to a plate.
- Lower the heat to medium. Add the mushrooms and cook for 5 to 6 minutes, until their liquid cooks off and they start to brown. Add the garlic and stir for 30 seconds.
- Add the spinach in handfuls and stir until wilted, about 2 minutes.
- Pour in the heavy cream, bring to a gentle simmer, and stir in the Parmesan. Cook for 3 to 4 minutes, until the sauce coats the back of a spoon.
- Return the chicken and any juices to the skillet and warm for 1 minute. Season with salt and pepper. Check that the chicken reads 165 degrees F before serving.
