Lemon Garlic Chicken Spaghetti Squash

Featured in: Weeknight Dinners

This lemon garlic chicken dish combines succulent, pan-seared chicken pieces infused with bright citrus and aromatic garlic, served over tender roasted spaghetti squash strands. The chicken cooks in minutes while the squash roasts until its flesh easily separates into delicate noodle-like strands. A quick lemon juice and herb sauce brings everything together, finished with a generous sprinkle of Parmesan and fresh parsley. Perfect for a weeknight dinner that feels restaurant-quality yet remains naturally gluten-free and protein-packed.

Updated on Tue, 20 Jan 2026 15:06:00 GMT
Golden roasted spaghetti squash strands are topped with tender lemon garlic chicken and a sprinkle of Parmesan, served on a rustic plate.  Save to Pinterest
Golden roasted spaghetti squash strands are topped with tender lemon garlic chicken and a sprinkle of Parmesan, served on a rustic plate. | chromespoon.com

The first time I served this to my husband, he actually asked what restaurant Id ordered from. We were in the middle of a chaotic week when I threw together whatever I could find in the fridge, and that accidental combination of bright lemon and garlic against the sweet squash became an instant regular. Now its the dish I make when I want something that feels special but doesnt require three hours of prep work.

Last winter my sister came over feeling completely burnt out from work, and I made this while she sat at my counter telling me about her week. Watching her shoulders drop as she took that first bite, then immediately ask for the recipe, reminded me that sometimes the best medicine is just a really good meal made with simple ingredients.

Ingredients

  • Spaghetti Squash: I learned to pick ones that feel heavy for their size and have firm, unblemished skin, which means theyll roast into perfectly tender strands
  • Olive Oil: A good extra virgin olive oil makes a noticeable difference here since it coats both the squash and the chicken
  • Chicken Breasts: Cutting them into bite sized pieces before cooking means they cook evenly and absorb all that lemon garlic flavor faster
  • Fresh Garlic: Minced fresh garlic has none of that harsh aftertaste you sometimes get with the jarred stuff
  • Lemon: Both the zest and juice are non negotiable here, the zest gives you that bright aromatic hit while the juice provides the acid
  • Fresh Parsley: I chiffonade the parsley leaves so they distribute evenly throughout the dish rather than having big clumps
  • Parmesan: Grating it right before you serve makes a huge difference in how it melts into the warm strands

Instructions

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Get That Squash Roasting:
Cut your spaghetti squash in half lengthwise and scoop out those seeds, then rub the cut sides with olive oil and season with salt and pepper before placing them cut side down on a parchment lined baking sheet.
Let The Oven Work Its Magic:
Roast at 400 degrees for about 40 to 45 minutes until a fork easily slides through the flesh and the strands pull apart beautifully.
Season The Chicken:
While the squash does its thing, toss your bite sized chicken pieces with salt, pepper, oregano, and half of that lemon zest so every piece is coated.
Sear Until Golden:
Heat olive oil in a large skillet over medium high heat and add the chicken, letting it cook undisturbed for a couple minutes between stirs to get those gorgeous golden brown edges.
Build The Sauce:
Stir in the minced garlic and let it cook just until fragrant, about a minute, then add the remaining lemon zest, fresh lemon juice, and chopped parsley.
Bring It All Together:
Once the squash is cool enough to handle, use a fork to scrape it into strands, then divide among plates and top generously with that lemon garlic chicken and all those pan juices.
Finish With Style:
Sprinkle freshly grated Parmesan over the top and add a little more parsley because we eat with our eyes first.
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Juicy pieces of seasoned chicken, infused with garlic and lemon, rest atop fresh spaghetti squash in this vibrant gluten-free dinner.  Save to Pinterest
Juicy pieces of seasoned chicken, infused with garlic and lemon, rest atop fresh spaghetti squash in this vibrant gluten-free dinner. | chromespoon.com

This recipe has become my go to for friends who swear they dont like squash, because somehow the combination of flavors converts them every single time.

Making It Your Own

Ive found that swapping chicken thighs for the breasts adds a little more richness, and sometimes I add a pinch of red pepper flakes right in with the garlic for a gentle kick of heat. The beauty here is that the core flavors work with so many variations.

Timing Like A Pro

The trick is getting everything to finish at the same time, so I start the squash first and use that roasting period to prep and cook the chicken. By the time the squash is done, the chicken is ready and the whole dish comes together in about five minutes.

Serving Suggestions

A crisp white wine cuts through the lemon perfectly, and I usually set out extra lemon wedges at the table because some people love that extra acid hit.

  • Make extra squash strands to meal prep for the week
  • Keep some rotisserie chicken on hand for a 15 minute version
  • The leftovers actually taste better the next day
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A close-up view shows lemon zest and fresh parsley garnishing the Lemon Garlic Chicken Spaghetti Squash, with a glass of white wine. Save to Pinterest
A close-up view shows lemon zest and fresh parsley garnishing the Lemon Garlic Chicken Spaghetti Squash, with a glass of white wine. | chromespoon.com

Theres something so satisfying about a dish that looks impressive but comes together with simple ingredients, and this one never fails to make people feel taken care of.

Recipe FAQs

How do I know when the spaghetti squash is properly roasted?

The squash is ready when the flesh is tender and easily separates into strands with a fork after 40-45 minutes at 400°F. The skin should yield slightly when pressed, and the cut surface should look golden and slightly caramelized.

Can I prepare the spaghetti squash ahead of time?

Yes, you can roast the squash up to two days in advance. Store the roasted strands in an airtight container in the refrigerator. Reheat gently in a skillet or microwave just before serving to maintain texture.

What's the best way to cook the chicken so it stays tender?

Cut the chicken into uniform bite-sized pieces and cook over medium-high heat for just 6-8 minutes until golden and cooked through. Don't overcrowd the skillet, and avoid stirring constantly to allow proper browning and juiciness.

How can I modify this dish for dairy-free diets?

Simply omit the Parmesan cheese or replace it with a dairy-free alternative. The lemon-garlic chicken and squash remain naturally dairy-free, making this swap seamless without sacrificing flavor.

Can I use chicken thighs instead of breasts?

Absolutely. Chicken thighs offer more flavor and stay juicier during cooking. Cut them into similar-sized pieces and follow the same cooking time, though thighs may take 1-2 minutes longer to cook through completely.

What wine pairs well with this meal?

A crisp Sauvignon Blanc complements the bright lemon and garlic flavors beautifully. The wine's acidity balances the richness of the Parmesan and chicken while enhancing the citrus notes of the dish.

Lemon Garlic Chicken Spaghetti Squash

Tender lemon-garlic chicken atop roasted spaghetti squash strands, finished with Parmesan for a light, satisfying gluten-free meal.

Prep time
20 minutes
Cook time
45 minutes
Overall time
65 minutes
Recipe by Marissa Cook


Skill level Medium

Cuisine American

Portion size 4 Portions

Dietary info No gluten, Reduced-Carb

What You'll Need

Spaghetti Squash

01 1 large spaghetti squash, approximately 3 pounds
02 1 tablespoon olive oil
03 ½ teaspoon kosher salt
04 ¼ teaspoon black pepper

Lemon Garlic Chicken

01 1 pound boneless skinless chicken breasts, cut into bite-sized pieces
02 2 tablespoons olive oil
03 4 cloves garlic, minced
04 1 lemon, zested and juiced
05 ½ teaspoon dried oregano
06 ½ teaspoon salt
07 ¼ teaspoon black pepper
08 2 tablespoons fresh parsley, chopped

Finishing

01 ½ cup freshly grated Parmesan cheese
02 Extra lemon wedges, optional
03 Fresh parsley for garnish

Directions

Step 01

Prepare and Season Squash: Preheat oven to 400°F. Halve the spaghetti squash lengthwise and scoop out seeds. Drizzle cut sides with olive oil, then season with salt and pepper. Place cut-side down on a parchment-lined baking sheet.

Step 02

Roast Squash: Roast for 40 to 45 minutes until flesh is tender and strands separate easily with a fork. Set aside to cool slightly.

Step 03

Season Chicken: While squash roasts, season chicken pieces with salt, pepper, oregano, and half the lemon zest.

Step 04

Cook Chicken: Heat 2 tablespoons olive oil in a large skillet over medium-high heat. Add chicken and cook, stirring occasionally, until golden and cooked through, approximately 6 to 8 minutes.

Step 05

Infuse with Garlic: Add minced garlic and cook for 1 minute until fragrant.

Step 06

Finish Sauce: Stir in remaining lemon zest, lemon juice, and chopped parsley. Cook for 1 to 2 minutes, then remove from heat.

Step 07

Shred Squash: Once squash is cool enough to handle, use a fork to scrape flesh into spaghetti-like strands.

Step 08

Plate Dish: Divide squash strands among serving plates. Top each with lemon garlic chicken and pan sauce.

Step 09

Garnish and Serve: Sprinkle with Parmesan cheese and additional fresh parsley. Serve with lemon wedges if desired.

Needed equipment

  • Baking sheet
  • Parchment paper
  • Chef's knife
  • Large skillet
  • Cutting board
  • Mixing bowls
  • Forks

Allergy Notes

Double-check your ingredients for allergens and always talk to your doctor if you're not sure.
  • Contains dairy from Parmesan cheese
  • Verify all packaged ingredients for potential cross-contamination allergens
  • Confirm gluten-free certification on all ingredient labels despite recipe formulation

Nutrition details (per portion)

Use these nutrition facts for reference—they don't replace advice from your doctor.
  • Energy (kcal): 335
  • Fat content: 15 grams
  • Carbohydrates: 20 grams
  • Proteins: 32 grams