Creamy Mushroom Chicken Spaghettini

Featured in: Everyday Plate Ideas

This elegant Italian-inspired dish combines tender chicken breast and delicate spaghettini in a silky mushroom cream sauce. Sautéed cremini mushrooms, garlic, and fresh thyme build a rich flavor base, while a light roux and low-fat milk create an indulgent yet lighter sauce. The dish comes together in under 40 minutes and serves four with just 400 calories per serving.

Updated on Tue, 20 Jan 2026 11:26:00 GMT
Tender chicken strips and skinny spaghettini coated in a velvety, light mushroom cream sauce, garnished with fresh parsley.  Save
Tender chicken strips and skinny spaghettini coated in a velvety, light mushroom cream sauce, garnished with fresh parsley. | tongsripple.com

I had one of those rare weeknights where everything aligned perfectly, no rushing, no distractions. The kitchen was quiet except for the gentle bubbling of pasta water, and I remember how the earthy aroma of sautéing mushrooms filled every corner of the room. Sometimes the simplest dinners end up being the most satisfying ones, the kind where you actually taste every bite instead of just inhaling food between emails.

My sister was over recently, watching me cook and casually mentioning how she always struggles with creamy pasta sauces turning into gloppy disappointments. When I served this version, she actually paused mid conversation to ask what I did differently. Theres something deeply satisfying about watching someone realize that restaurant quality pasta is entirely achievable at home without any fancy techniques.

Ingredients

  • 300 g whole wheat spaghettini: The slightly nutty flavor of whole wheat holds up beautifully against the creamy sauce, though regular works perfectly fine too
  • 2 medium boneless chicken breasts: Pounding them to even thickness is the difference between juicy, tender meat and dry, disappointing chicken
  • 250 g cremini mushrooms: These have more depth than white mushrooms and develop such a gorgeous golden color when sautéed properly
  • 1 small yellow onion: Finely diced so it virtually melts into the sauce instead of leaving chunky bites
  • 2 cloves garlic: Minced fresh, never jarred, the aroma when it hits the hot pan is absolutely worth the extra minute
  • 1 tsp fresh thyme leaves: Dried works in a pinch, but fresh thyme brings this bright, lemony herbal note that cuts through the richness
  • 2 tbsp all purpose flour: The lightest touch of thickening, just enough to give the sauce body without making it heavy
  • 1 cup low sodium chicken broth: Low sodium is crucial here because you want control over the final seasoning
  • 3/4 cup low fat milk: Surprisingly creamy without the heaviness of cream, letting the other flavors shine through
  • 1/4 cup grated Parmesan: The salty, umami punch that pulls everything together
  • 1/2 tsp Dijon mustard: Dont skip this, it enhances every other flavor without making the sauce taste mustardy
  • 2 tbsp fresh parsley: Added at the end for that pop of color and fresh contrast to the rich sauce

Instructions

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Get the pasta going first:
Bring a large pot of salted water to boil and cook the spaghettini until al dente, then reserve that precious half cup of pasta water before draining, its liquid gold for adjusting sauce consistency later.
Prep the chicken properly:
Pound those chicken breasts to an even thickness, season generously with salt and pepper, then sear in hot olive oil for about 5 to 6 minutes per side until golden and cooked through before letting them rest on a plate.
Build the flavor base:
In the same skillet, sauté the mushrooms and onion over medium heat for 4 to 5 minutes until they turn golden and smell incredible, then add garlic and thyme for just one minute until fragrant.
Create the velvety sauce:
Sprinkle flour over the vegetables, stirring constantly for one minute to cook out the raw taste, then gradually whisk in the chicken broth followed by milk, letting it simmer gently for 2 to 3 minutes until slightly thickened.
Finish with finesse:
Stir in the Parmesan and Dijon mustard until completely smooth, season to taste, then slice the rested chicken and toss everything together with the pasta, adding splashes of that reserved pasta water until the sauce coats each strand perfectly.
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Creamy Mushroom Chicken Spaghettini served in a warm bowl, topped with grated Parmesan and a sprinkle of fresh thyme.  Save
Creamy Mushroom Chicken Spaghettini served in a warm bowl, topped with grated Parmesan and a sprinkle of fresh thyme. | tongsripple.com

There was this rainy Tuesday when I made this for dinner, nothing special about the day at all, but I remember sitting down with my bowl and just feeling completely comforted. Food has this way of turning an ordinary evening into something that feels like a little hug, especially when its this satisfying without leaving you feeling weighed down.

Making It Your Own

Ive found that swapping half and half for the milk creates an incredibly decadent version for special occasions, while adding a handful of arugula at the end brings this lovely peppery bite that cuts through the richness beautifully. Sometimes I toss in frozen peas during the last minute of pasta cooking for color and sweetness, especially when I need to convince myself that vegetables are happening.

The Pasta Water Secret

Professional chefs swear by starchy pasta water for a reason, it acts as an emulsifier that helps sauce cling to every strand of pasta while adding a subtle silkiness you cant get any other way. Even when you think the sauce looks perfect, that splash of cloudy, salty water transforms it from good to restaurant quality.

Perfecting The Chicken

The most common mistake I see is overcrowding the pan, which leads to steamed chicken instead of beautifully seared meat. Give those breasts space, let them develop that golden crust, and resist the urge to poke and prod them constantly. That resting period isnt optional either, it lets the juices redistribute so you dont end up with dry meat.

  • Let the pan get properly hot before adding the chicken, you should hear a satisfying sizzle immediately
  • Invest in a good meat thermometer, 165F is the target but pulling it at 160F lets carryover cooking finish the job
  • Slice against the grain for the most tender bites, especially noticeable with leftovers
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Golden-brown chicken and sautéed mushrooms tossed with spaghettini in a creamy sauce, perfect for a comforting weeknight dinner. Save
Golden-brown chicken and sautéed mushrooms tossed with spaghettini in a creamy sauce, perfect for a comforting weeknight dinner. | tongsripple.com

This is the kind of recipe that earns permanent rotation status in any household, the one everyone requests and nobody gets tired of. I hope it brings as many cozy, satisfying evenings to your table as it has to mine.

Recipe FAQs

Can I use a different type of pasta?

Yes, spaghettini can be replaced with any long pasta like fettuccine, linguine, or pappardelle. Cooking time may vary slightly based on thickness.

How do I prevent the sauce from becoming lumpy?

Gradually whisk in the liquid and ensure the roux is fully cooked before adding broth. Whisking continuously while adding milk helps maintain a smooth, silky texture.

Is this suitable for a lower-calorie diet?

Yes, this dish uses low-fat milk and minimal oil while delivering 31g of protein per serving. It contains only 400 calories, making it ideal for calorie-conscious meals.

Can I make this vegetarian?

Absolutely. Omit the chicken and add extra mushrooms, white beans, or roasted vegetables. Use vegetable broth instead of chicken broth for a fully vegetarian version.

What wine pairs well with this dish?

A crisp Pinot Grigio or Sauvignon Blanc complements the creamy mushroom sauce beautifully while balancing the richness with acidity.

Can I prepare this ahead of time?

Cook the components separately and store in the refrigerator for up to 2 days. Reheat gently on the stovetop, adding reserved pasta water as needed to refresh the sauce consistency.

Creamy Mushroom Chicken Spaghettini

Tender chicken breast and spaghettini tossed in a velvety, lighter mushroom cream sauce—comforting and satisfying in just 40 minutes.

Prep Time
15 minutes
Time to Cook
25 minutes
Overall Time
40 minutes
Created by Aria Thompson


Skill Level Easy

Cuisine Type Italian-Inspired

Makes 4 Portion Size

Diet Preferences None specified

Ingredient List

Pasta

01 10.5 oz whole wheat spaghettini or regular spaghettini

Chicken

01 2 medium boneless, skinless chicken breasts, about 12 oz total
02 1/2 teaspoon salt
03 1/4 teaspoon black pepper
04 1 tablespoon olive oil

Mushrooms & Vegetables

01 9 oz cremini or white mushrooms, sliced
02 2 cloves garlic, minced
03 1 small yellow onion, finely diced
04 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried
05 1 cup baby spinach, roughly chopped (optional)

Sauce

01 2 tablespoons all-purpose flour
02 1 cup low-sodium chicken broth
03 3/4 cup low-fat milk (1% or 2%)
04 1/4 cup grated Parmesan cheese
05 1/2 teaspoon Dijon mustard
06 Salt and pepper to taste

Garnish

01 2 tablespoons fresh parsley, chopped
02 Extra grated Parmesan cheese (optional)

How-To Steps

Step 01

Cook the Pasta: Bring a large pot of salted water to a boil. Cook spaghettini according to package instructions until al dente. Reserve 1/2 cup of pasta water, then drain and set aside.

Step 02

Prepare the Chicken: While pasta cooks, pound chicken breasts to even thickness. Season both sides with salt and pepper.

Step 03

Sear the Chicken: Heat olive oil in a large nonstick skillet over medium-high heat. Add chicken breasts and cook 5–6 minutes per side until golden and cooked through. Remove to a plate, cover loosely, and let rest.

Step 04

Sauté Mushrooms and Aromatics: In the same skillet, reduce heat to medium. Add mushrooms and onion; sauté 4–5 minutes until softened and golden. Add garlic and thyme, cook for 1 minute.

Step 05

Create the Roux: Sprinkle flour over vegetables and stir well. Cook for 1 minute.

Step 06

Build the Sauce: Gradually whisk in chicken broth, followed by milk, stirring to avoid lumps. Bring to gentle simmer and cook 2–3 minutes until slightly thickened.

Step 07

Finish the Sauce: Add Parmesan cheese and Dijon mustard; stir until smooth. Season with salt and pepper. Add spinach now if using and stir until wilted.

Step 08

Combine and Serve: Slice chicken into strips. Add cooked spaghettini and chicken to sauce; toss gently to coat. Add reserved pasta water if needed for desired consistency. Serve immediately garnished with fresh parsley and extra Parmesan if desired.

Needed Equipment

  • Large pot
  • Large nonstick skillet
  • Wooden spoon
  • Whisk
  • Knife and cutting board

Allergen Details

Look over every ingredient for allergens and reach out to a medical expert if needed.
  • Contains wheat (pasta, flour)
  • Contains milk (milk, Parmesan)
  • Contains mustard
  • May contain eggs (in some pasta)
  • May contain soy (check broth)

Nutrition Details (per serving)

For informational purposes only—not a substitute for health advice.
  • Energy: 400
  • Fats: 8 g
  • Carbohydrates: 51 g
  • Proteins: 31 g