Lemon Garlic Chicken Spaghetti Squash

Featured in: Warm Rustic Bowls & Kitchen Sides

This vibrant main dish combines succulent lemon-garlic chicken with tender roasted spaghetti squash for a light yet satisfying meal. The spaghetti squash roasts for 40–45 minutes until its strands separate easily, while seasoned chicken pieces cook quickly in a skillet, finishing with fresh lemon juice and garlic for brightness. Topped with Parmesan and fresh parsley, this gluten-free dish serves four and takes just over an hour from start to table.

Updated on Tue, 20 Jan 2026 16:25:00 GMT
Tender chicken pieces glisten in a lemon-garlic sauce, piled high on roasted spaghetti squash strands and topped with fresh parsley and Parmesan.  Pin it
Tender chicken pieces glisten in a lemon-garlic sauce, piled high on roasted spaghetti squash strands and topped with fresh parsley and Parmesan. | flourharbor.com

The first time I served this, my friend called it 'comfort food that doesn't weigh you down' and I've never found a better description. Something about the way the bright lemon cuts through the roasted squash sweetness makes everything feel lighter. I started making it on Tuesday nights when I wanted something that felt special but wouldn't leave me feeling heavy the next morning.

Last spring my neighbor came over while I was roasting the squash and immediately asked what smelled so good. We ended up eating at the kitchen counter, talking for two hours, and she texted me the next day asking for the recipe. That's when I knew this wasn't just dinner anymore, it was a conversation starter.

Ingredients

  • 1 large spaghetti squash: About 3 pounds gives you the perfect ratio of squash to chicken, and look for one that feels heavy for its size
  • 1 tbsp olive oil: This helps the squash roast evenly and develop those slightly caramelized edges
  • ½ tsp kosher salt: Sprinkle this generously before roasting to draw out moisture and concentrate flavor
  • ¼ tsp black pepper: Freshly ground makes a noticeable difference here
  • 1 lb boneless skinless chicken breasts: Cut into bite-sized pieces so they cook quickly and evenly in the pan
  • 2 tbsp olive oil: You want enough oil to get a nice golden crust on the chicken
  • 4 cloves garlic: Don't be shy with the garlic, it mellows beautifully when cooked with the lemon
  • 1 lemon: You'll need both the zest for bright flavor and juice for that finishing sauce
  • ½ tsp dried oregano: Adds an earthy undertone that grounds the bright citrus
  • ½ tsp salt and ¼ tsp black pepper: Season the chicken well before it hits the pan
  • 2 tbsp fresh parsley: Chop it right before adding so it stays vibrant and fresh
  • ½ cup freshly grated Parmesan cheese: The salty, nutty finish ties everything together perfectly

Instructions

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Get your squash roasting:
Preheat your oven to 400°F, cut the squash lengthwise, scoop out those seeds, then drizzle the cut sides with olive oil and season with salt and pepper before placing cut-side down on parchment.
Let the oven work its magic:
Roast for 40 to 45 minutes until the flesh is tender enough that strands separate easily when you test with a fork, then set it aside to cool just slightly.
Season the chicken while you wait:
Toss the chicken pieces with salt, pepper, oregano, and half the lemon zest so every bite is flavorful from the inside out.
Sear the chicken:
Heat 2 tablespoons olive oil in a large skillet over medium-high heat, add the chicken, and cook for about 6 to 8 minutes until golden and cooked through.
Add the aromatic finish:
Stir in the minced garlic for just one minute until fragrant, then add the remaining lemon zest, lemon juice, and chopped parsley.
Bring it all together:
Scrape the cooked squash into strands with a fork, divide among plates, and top generously with the lemon garlic chicken and any pan juices.
Finish with Parmesan:
Sprinkle with freshly grated Parmesan and extra parsley, then serve with lemon wedges on the side for squeezing.
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A close-up shows golden roasted spaghetti squash "noodles" topped with savory lemon garlic chicken, a sprinkle of Parmesan, and fresh herbs.  Pin it
A close-up shows golden roasted spaghetti squash "noodles" topped with savory lemon garlic chicken, a sprinkle of Parmesan, and fresh herbs. | flourharbor.com

My sister claimed she didn't like spaghetti squash until she tried this version. Now she asks for it every time she visits, and watching her reluctantly admit she was wrong has become its own kind of reward. Some victories are small but delicious.

Making It Your Own

I've learned that a pinch of crushed red pepper flakes added with the garlic gives this a gentle warmth that really complements the lemon. Sometimes I use chicken thighs instead of breasts because the extra fat keeps everything juicier, especially when reheating leftovers for lunch the next day.

Shortcuts That Still Shine

On busy nights, I'll grab a rotisserie chicken and skip the cooking step entirely. The dish still tastes incredible and comes together in under twenty minutes, which has saved me more than once when I wanted something special but had zero time to cook from scratch.

Perfect Pairings

A crisp Sauvignon Blanc cuts through the richness while echoing the citrus notes in the chicken. I also love serving this with a simple arugula salad dressed with nothing more than olive oil and a squeeze of lemon to keep things light and fresh.

  • Set out extra lemon wedges at the table so everyone can adjust the brightness to their taste
  • The flavors actually improve overnight, making it excellent for meal prep
  • If you're dairy-free, nutritional yeast adds a similar savory finish to Parmesan
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A healthy, gluten-free main dish features bright lemon zest, sautéed garlic chicken, and fork-tender spaghetti squash on a rustic plate. Pin it
A healthy, gluten-free main dish features bright lemon zest, sautéed garlic chicken, and fork-tender spaghetti squash on a rustic plate. | flourharbor.com

There's something about scraping the squash that feels strangely satisfying, like you're uncovering a secret. Hope this brings as many bright, easy moments to your table as it has to mine.

Recipe FAQs

Can I prepare the spaghetti squash ahead of time?

Yes. Roast and shred the spaghetti squash up to two days in advance. Store in an airtight container in the refrigerator, then reheat gently before serving.

What can I substitute for spaghetti squash?

Zucchini noodles, regular pasta, or cauliflower rice work well. Adjust cooking times accordingly based on your chosen substitute.

How do I know when the chicken is fully cooked?

Cook until golden and the internal temperature reaches 165°F (74°C) when measured with a meat thermometer. This typically takes 6–8 minutes for bite-sized pieces.

Is this dish freezer-friendly?

The cooked chicken and sauce freeze well for up to three months. Freeze the spaghetti squash separately to prevent sogginess. Thaw and reheat gently on the stovetop.

What wine pairs best with this dish?

A crisp Sauvignon Blanc complements the bright lemon and garlic flavors beautifully. Pinot Grigio is another excellent choice.

Can I make this dairy-free?

Absolutely. Simply omit the Parmesan or use a plant-based alternative. The dish remains flavorful with the lemon-garlic chicken as the star ingredient.

Lemon Garlic Chicken Spaghetti Squash

Tender lemon-garlic chicken atop roasted spaghetti squash strands with Parmesan. Light, healthy, and ready in 65 minutes.

Prep Time
20 mins
Cook Time
45 mins
Total Duration
65 mins
Created by Brooke Ward


Skill Level Medium

Cuisine American

Makes 4 Portions

Diet Preferences Free from Gluten

Ingredient List

Spaghetti Squash

01 1 large spaghetti squash, about 3 lbs
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 Fresh parsley for garnish
03 Extra lemon wedges, optional

Directions

Step 01

Prepare and Roast Squash: Preheat oven to 400°F. Halve spaghetti squash lengthwise and scoop out seeds. Drizzle cut sides with olive oil, then season with salt and pepper. Place cut-side down on parchment-lined baking sheet and roast for 40-45 minutes until flesh is tender and strands separate easily with a fork. Set aside to cool slightly.

Step 02

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

Step 03

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

Step 04

Add Aromatics: Add minced garlic to skillet and cook for 1 minute until fragrant.

Step 05

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

Step 06

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

Step 07

Plate and Serve: Divide squash strands among plates. Top each serving with lemon garlic chicken and pan sauce. Sprinkle with Parmesan and fresh parsley. Serve with lemon wedges if desired.

Equipment Needed

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

Allergy Details

Read each ingredient label for allergens and talk to a healthcare provider if unsure.
  • Contains dairy (Parmesan cheese)
  • Confirm gluten-free status of all packaged ingredients

Nutrition info (per serving)

Nutrition stats are for reference and don't serve as medical advice.
  • Calories: 335
  • Fat Content: 15 g
  • Carbohydrates: 20 g
  • Protein: 32 g