Keto Creamy Spinach Chicken

Featured in: Caprese Variations

This dish combines succulent chicken breasts with sautéed mushrooms and fresh spinach, all enveloped in a rich, creamy sauce. Cooked in one skillet, it offers a balanced blend of flavors and textures. Garlic, Parmesan, and subtle spices add depth, while the creamy base provides indulgence without heaviness. Perfect for those seeking a low-carb yet fulfilling main course.

Preparation is quick, with a total time of just 35 minutes. The creamy sauce melts perfectly into the vegetables and chicken, making every bite comforting and flavorful. Garnished with fresh parsley, this skillet meal offers both ease and elegance.

Updated on Fri, 13 Feb 2026 12:37:00 GMT
Keto Creamy Spinach Mushroom Chicken Skillet with tender chicken, sautéed mushrooms, and fresh spinach in a rich, cheesy cream sauce. Pin
Keto Creamy Spinach Mushroom Chicken Skillet with tender chicken, sautéed mushrooms, and fresh spinach in a rich, cheesy cream sauce. | toastybasil.com

One Tuesday evening, I was standing in front of my open fridge, staring at chicken breasts and a handful of mushrooms, when I realized I'd forgotten to pick up rice. My keto-curious friend was coming over for dinner in an hour, and I'd promised something special. That's when it clicked—what if I just made a creamy skillet situation instead? Twenty minutes later, as she took her first bite, she closed her eyes and said nothing for a solid ten seconds. That kind of silence means you've done something right.

I've made this for lazy Sunday dinners, for impressing my partner's parents on short notice, and even for a potluck where I was convinced I'd show up with leftovers—I didn't. There's something about the combination of tender chicken and that umami-forward mushroom situation that just works every single time, no matter who's eating it.

Ingredients

  • Boneless, skinless chicken breasts (4, about 600 g): Pat them completely dry before seasoning—moisture is the enemy of a golden crust, and that golden crust is what makes your brain say yes.
  • Salt (1 teaspoon), black pepper (1/2 teaspoon), garlic powder (1/2 teaspoon): This simple trio is your foundation; don't skip seasoning the chicken generously on both sides.
  • Olive oil (2 tablespoons): Use good quality oil here since it's the base of your flavor, and the heat shouldn't be so high that it smokes.
  • Cremini or white mushrooms (250 g, sliced): Cremini have more earthiness than button mushrooms, which I prefer, but honestly both work beautifully.
  • Fresh spinach (3 cups): Buy the fresh loose kind if you can; it wilts more gracefully than the pre-packaged stuff and tastes somehow brighter.
  • Garlic (3 cloves, minced): Fresh garlic here is non-negotiable; the minced stuff from a jar just won't give you that aromatic punch.
  • Heavy cream (1 cup): This is what makes the sauce luxurious, but you can use half-and-half if you're watching calories—just know it'll be slightly less decadent.
  • Cream cheese (60 g, softened): Softening it beforehand prevents lumps and makes the sauce silky; pull it out of the fridge 15 minutes before cooking.
  • Parmesan cheese (1/3 cup, grated): Freshly grated tastes noticeably better than pre-shredded, which often has anti-caking agents that make it grainy.
  • Ground nutmeg (1/4 teaspoon, optional) and red pepper flakes (1/4 teaspoon, optional): The nutmeg adds an almost imperceptible warmth that deepens the whole dish; the flakes give a subtle heat.
  • Fresh parsley (optional, for garnish): A small handful of chopped parsley at the end adds color and freshness that makes people think you spent more time than you did.

Instructions

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Prepare and season your chicken:
Pat both chicken breasts completely dry with paper towels—this is the secret to getting that gorgeous golden exterior. Season generously on both sides with salt, pepper, and garlic powder, making sure you hit all the edges.
Sear the chicken until golden:
Heat olive oil in a large skillet over medium-high heat until it shimmers and moves like liquid, then carefully lay in the chicken breasts. Cook for 5 to 6 minutes per side without moving them around too much; you want a proper crust to form, and that happens when the heat touches the surface without interruption. Transfer to a plate and cover loosely with foil to keep warm.
Build your mushroom base:
In that same skillet with all the flavorful browned bits still clinging to the bottom, add your sliced mushrooms and sauté for 4 to 5 minutes, stirring occasionally, until they've released their moisture and the edges are nicely browned. This takes patience, but it's where all that earthy, umami flavor develops.
Wake up the garlic:
Add your minced fresh garlic and cook for just 30 seconds, stirring constantly so it doesn't burn—you want it fragrant and golden, not bitter and dark.
Create the creamy sauce:
Lower the heat to medium-low and add the heavy cream, softened cream cheese, and grated Parmesan all at once, stirring constantly until the cream cheese melts into the cream and everything becomes one smooth, silky sauce. This should take about 2 minutes of gentle stirring.
Season and thicken the sauce:
Add a pinch of nutmeg and red pepper flakes if you're using them, then let the sauce simmer gently for 2 to 3 minutes; it'll thicken slightly as it bubbles away, and the flavors will meld together into something deeper than the sum of its parts.
Wilt the spinach:
Dump in all your fresh spinach and stir gently until it's completely wilted and bright green, which takes about 1 to 2 minutes. Don't walk away during this part; spinach cooks fast and you want to catch it at its best.
Return the chicken and finish:
Nestle your cooked chicken breasts back into the skillet, spooning the creamy sauce and mushrooms over the top, then simmer everything together for another 2 to 3 minutes just until the chicken is heated through and has absorbed some of that beautiful sauce. The whole thing should smell absolutely incredible at this point.
Plate and serve:
Transfer each chicken breast to a plate and spoon all that creamy mushroom and spinach situation over the top, making sure each plate gets plenty of sauce. A small handful of fresh chopped parsley scattered over the top adds a final note of freshness that makes it look intentional and restaurant-grade.
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What stuck with me most about this dish is how it became the thing my friends asked me to make, not the other way around. It somehow elevated an ordinary Tuesday night into something that felt special, and now whenever I make it, I'm reminded that the best meals are the ones you didn't overthink.

Why This Works as a Keto Favorite

This dish respects the keto lifestyle without making any apologies or substitutions that taste like punishment. The cream, cheese, and mushroom umami keep you satisfied, while the fresh spinach adds nutrients and a burst of color that makes you feel like you're actually eating vegetables and not just fat and protein. The carb count stays low because everything delicious here comes from sources that fit naturally into the diet, and that's the whole point of cooking this way—not restriction, but freedom.

Variations That Keep It Interesting

I've subbed chicken thighs when I want something more forgiving and juicier, and honestly they might be even better because they cook through without drying out and they have more natural flavor. Some nights I add a tablespoon of butter along with the olive oil for extra richness, and other nights I'll throw in a handful of fresh thyme or a splash of dry white wine to the sauce for different moods. The beauty of a skillet situation is that it's flexible enough to work with what you have on hand.

Serving Suggestions and Timing

Serve this hot right out of the skillet while the sauce is still silky and the spinach is tender, ideally on a plate that's been warmed for just a few seconds. The whole cook-to-plate time is genuinely about 35 minutes, making this perfect for weeknight dinners when you want something that tastes like you've been cooking all day but really haven't.

  • Pair with a crisp Chardonnay or a light Pinot Grigio if you're having wine with dinner.
  • If you're serving with a side, roasted asparagus or a simple green salad are the only things this dish needs.
  • Leftovers actually taste better the next day when the flavors have settled together, so feel free to make extra.
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A one-pan low-carb dinner featuring juicy chicken breasts simmered with mushrooms and spinach in a velvety keto-friendly cream sauce. Pin
A one-pan low-carb dinner featuring juicy chicken breasts simmered with mushrooms and spinach in a velvety keto-friendly cream sauce. | toastybasil.com

This is the kind of dish that proves you don't need complicated techniques or a long ingredient list to make something that feels genuinely special. Make it once, and it'll find its way into regular rotation.

Recipe Q&A

Can I use chicken thighs instead of breasts?

Yes, chicken thighs can be substituted for a richer flavor and more tender texture. Adjust cooking time as thighs may take slightly longer to cook through.

What type of mushrooms work best?

Cremini or white mushrooms are ideal for this dish as they hold their shape and add a mild earthy flavor that complements the creamy sauce.

Is it possible to make this dairy-free?

To make it dairy-free, replace cream and cheeses with coconut cream and dairy-free cheese alternatives, keeping in mind flavor and consistency changes.

How can I thicken the creamy sauce if needed?

Simmering the sauce gently helps thicken it naturally. For additional thickness, you can add a small amount of xanthan gum or let it reduce a bit longer.

Can I prepare this dish ahead of time?

This dish can be prepared in advance and reheated gently on the stove. To maintain freshness, add fresh spinach just before serving.

Keto Creamy Spinach Chicken

Tender chicken, mushrooms, and fresh spinach cooked in a luscious creamy sauce for a satisfying meal.

Prep duration
10 min
Cooking duration
25 min
Complete duration
35 min


Skill level Easy

Origin American

Yield 4 Portions

Dietary specifications Gluten-free, Low-Carb

Components

Chicken

01 4 boneless, skinless chicken breasts (approximately 1.3 lbs)
02 1 teaspoon salt
03 1/2 teaspoon black pepper
04 1/2 teaspoon garlic powder

Vegetables

01 2 tablespoons olive oil
02 8 ounces cremini or white mushrooms, sliced
03 3 cups fresh spinach
04 3 cloves garlic, minced

Sauce

01 1 cup heavy cream
02 2 ounces cream cheese, softened
03 1/3 cup grated Parmesan cheese
04 1/4 teaspoon ground nutmeg
05 1/4 teaspoon red pepper flakes

Garnish

01 Fresh parsley, chopped

Directions

Step 01

Prepare and Season Chicken: Pat the chicken breasts dry with paper towels and season both sides generously with salt, pepper, and garlic powder.

Step 02

Sear Chicken: Heat olive oil in a large skillet over medium-high heat. Add the chicken breasts and cook for 5 to 6 minutes per side, until golden brown and cooked through. Transfer to a plate and cover loosely with foil.

Step 03

Cook Mushrooms: In the same skillet, add the sliced mushrooms and sauté for 4 to 5 minutes, stirring occasionally, until softened and golden brown.

Step 04

Bloom Garlic: Add the minced garlic to the skillet and cook for 30 seconds, stirring constantly, until fragrant.

Step 05

Create Cream Sauce: Reduce heat to medium-low. Add the heavy cream, cream cheese, and Parmesan cheese to the skillet, stirring continuously until the cream cheese is fully melted and the sauce achieves a smooth consistency.

Step 06

Season and Thicken Sauce: Stir in the ground nutmeg and red pepper flakes. Simmer gently for 2 to 3 minutes to allow the sauce to thicken slightly.

Step 07

Wilt Spinach: Add the fresh spinach to the skillet and stir for 1 to 2 minutes until completely wilted.

Step 08

Combine and Heat Through: Return the chicken breasts to the skillet, spooning the creamy sauce and vegetables over the top. Simmer for 2 to 3 minutes until the chicken is heated through.

Step 09

Finish and Serve: Garnish with freshly chopped parsley if desired. Serve hot directly from the skillet.

Necessary tools

  • Large skillet
  • Tongs or spatula
  • Chef's knife
  • Cutting board

Allergy information

Review each component for possible allergens and if uncertain, we recommend consulting with a healthcare professional.
  • Contains dairy products including heavy cream, cream cheese, and Parmesan cheese
  • Does not contain gluten, eggs, or tree nuts

Nutrient breakdown (per portion)

These values are provided as a general guide and shouldn't replace professional medical advice.
  • Calories: 410
  • Fat: 27 g
  • Carbs: 6 g
  • Protein: 38 g