Lemon Garlic Chicken Spaghetti Squash

Featured in: Everyday Home Cooking

This vibrant lemon-garlic chicken dish combines succulent chicken pieces with roasted spaghetti squash for a lighter alternative to traditional pasta. The chicken is pan-seared until golden, then finished with fresh lemon juice, garlic, and parsley for bright, zesty flavors. Roasted spaghetti squash provides a tender, nutrient-dense base that pairs beautifully with the citrus-forward sauce. Top with freshly grated Parmesan and fresh herbs for a satisfying meal that comes together in just over an hour.

Updated on Tue, 20 Jan 2026 16:33:00 GMT
Golden roasted spaghetti squash strands topped with tender lemon-garlic chicken and a sprinkle of Parmesan cheese. Save
Golden roasted spaghetti squash strands topped with tender lemon-garlic chicken and a sprinkle of Parmesan cheese. | skilletindex.com

The first time I attempted spaghetti squash, I stood in my kitchen staring at the roasted halves, genuinely confused about how this vegetable was supposed to resemble pasta. Something magical happened when I dragged my fork through the flesh and those perfect strands appeared. This lemon garlic chicken version was born from a random Tuesday when I needed something bright but comforting, and it has since become the recipe I make when friends say they are trying to eat lighter but still want flavor.

Last spring, my neighbor Sarah was recovering from surgery and I brought over a container of this. She texted me two hours later asking for the recipe, saying her teenage son who survives on nuggets had gone back for thirds. There is something about the combination of textures and that punchy lemon flavor that makes people forget they are eating something so wholesome.

Ingredients

  • 1 large spaghetti squash: Look for one that feels heavy for its size with a hard, unblemished skin
  • 1 tbsp olive oil: This helps the squash develop those golden edges while roasting
  • ½ tsp kosher salt: Essential for drawing out moisture and concentrating flavor
  • ¼ tsp black pepper: Freshly cracked makes a noticeable difference here
  • 1 lb boneless skinless chicken breasts: Cutting into bite sized pieces helps them cook evenly and quickly
  • 2 tbsp olive oil: Needed for getting that gorgeous golden sear on the chicken
  • 4 cloves garlic, minced: Do not be shy with garlic, it mellows beautifully in the pan
  • 1 lemon, zested and juiced: Both the zest and juice are needed for layers of citrus flavor
  • ½ tsp dried oregano: Adds an earthy note that anchors the bright lemon
  • ½ tsp salt: For seasoning the chicken properly
  • ¼ tsp black pepper: Freshly cracked gives the best aroma and flavor
  • 2 tbsp fresh parsley, chopped: Brings freshness and a pop of color to the finished dish
  • ½ cup freshly grated Parmesan cheese: The salty umami finish ties everything together
  • Extra lemon wedges: Optional but perfect for those who love an extra hit of acid
  • Fresh parsley: A little extra garnish makes everything look intentional

Instructions

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Roast the squash:
Preheat your oven to 400°F and line a baking sheet with parchment. Cut the spaghetti squash in half lengthwise and scoop out those seeds, then drizzle the cut sides with olive oil and season with salt and pepper. Place them cut side down and let them roast for 40 to 45 minutes until tender.
Season the chicken:
While the squash works, toss your bite sized chicken pieces with salt, pepper, oregano, and half the lemon zest so every piece is well coated.
Cook the chicken:
Heat 2 tablespoons of olive oil in a large skillet over medium high heat, then add the chicken in a single layer. Let it cook undisturbed for a minute or two to get good color, then stir occasionally until golden and cooked through, about 6 to 8 minutes.
Add the garlic:
Stir in the minced garlic and cook for just 1 minute until fragrant, watching carefully so it does not burn.
Finish with lemon and herbs:
Add the remaining lemon zest, all the lemon juice, and chopped parsley, then cook for 1 to 2 minutes to let the flavors meld.
Scrape the squash:
Once the squash is cool enough to handle, use a fork to scrape the flesh crosswise and watch those strands appear like magic.
Assemble and serve:
Divide the squash among plates and top generously with the lemon garlic chicken and all that pan sauce. Finish with Parmesan, extra parsley, and lemon wedges on the side.
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A close-up of skillet-cooked chicken coated in a bright lemon-garlic sauce over fluffy spaghetti squash. Save
A close-up of skillet-cooked chicken coated in a bright lemon-garlic sauce over fluffy spaghetti squash. | skilletindex.com

My mother in law, who is notoriously skeptical of vegetable substitutions, took one bite and asked why I had not made this sooner. Now she requests it every time she visits, and watching someone previously skeptical go back for seconds is genuinely satisfying.

Making Ahead

You can roast the squash up to three days in advance and keep it in the refrigerator. When you are ready to eat, just scrape the strands and warm them slightly while the chicken cooks.

Customization Ideas

Sometimes I add spinach or kale to the skillet in the last minute of cooking for extra greens. A pinch of red pepper flakes creates lovely warmth, especially nice in cooler months.

Serving Suggestions

This pairs beautifully with a crisp white wine like Sauvignon Blanc or a simple green salad with vinaigrette. The acid in the wine and salad dressing complements the lemon perfectly.

  • A crusty piece of gluten free bread helps soak up any extra pan sauce
  • Keep some red pepper flakes on the table for those who like heat
  • The squash strands reheat surprisingly well for lunch the next day
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A vibrant plate of Lemon Garlic Chicken Spaghetti Squash garnished with fresh parsley and lemon wedges. Save
A vibrant plate of Lemon Garlic Chicken Spaghetti Squash garnished with fresh parsley and lemon wedges. | skilletindex.com

Somehow this dish manages to feel indulgent while being so nourishing, exactly the kind of balance I am always chasing in my kitchen.

Recipe FAQs

How do I know when spaghetti squash is properly roasted?

The flesh should be tender and the strands should separate easily when you run a fork through them. This typically takes 40-45 minutes at 400°F. If the squash feels firm, continue roasting in 5-minute increments until it's fork-tender.

Can I prepare this dish ahead of time?

Yes, you can roast the squash up to 2 days in advance and store it in the refrigerator. Prepare the chicken just before serving for the best flavor and texture. Combine everything shortly before eating to keep the squash from becoming soggy.

What's the best way to cut spaghetti squash safely?

Let the squash cool slightly after roasting, then it becomes much easier to handle. Alternatively, microwave a whole squash for 3-4 minutes to soften the skin, making it easier to cut in half lengthwise before roasting.

How can I add more protein to this dish?

Double the chicken, add shrimp, or incorporate grilled tofu for a plant-based option. You can also toss in white beans or chickpeas to the squash for additional protein and fiber.

What wine pairs well with this meal?

A crisp Sauvignon Blanc complements the bright lemon and garlic flavors beautifully. Alternatively, try a light Pinot Grigio or a dry Albariño for refreshing pairings.

Can I use frozen chicken breasts instead of fresh?

Yes, thaw frozen chicken breasts completely before cutting and cooking. This ensures even cooking and the best texture. Plan ahead and thaw them in the refrigerator overnight.

Lemon Garlic Chicken Spaghetti Squash

Tender lemon-garlic chicken atop roasted spaghetti squash, finished with Parmesan. A light, satisfying gluten-free main dish.

Prep Duration
20 minutes
Time to Cook
45 minutes
Overall Duration
65 minutes


Skill Level Medium

Cuisine Type American

Makes 4 Number of Servings

Diet Information No Gluten, Lower-Carb

What You’ll Need

Spaghetti Squash

01 1 large spaghetti squash (approximately 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 for serving

Method

Step 01

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

Step 02

Roast Squash: Roast for 40 to 45 minutes until flesh is tender and strands separate easily with 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 large skillet over medium-high heat. Add chicken and cook, stirring occasionally, until golden and cooked through, approximately 6 to 8 minutes.

Step 05

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

Step 06

Finish Chicken: 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 fork to scrape flesh into spaghetti-like strands.

Step 08

Assemble Plates: Divide squash among serving plates. Top each portion with lemon garlic chicken and pan sauce.

Step 09

Serve: 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
  • Forks

Allergy Details

Review every ingredient for possible allergens. When unsure, always check with a medical expert.
  • Contains dairy (Parmesan cheese)
  • Possible cross-contamination allergens in processed ingredients (verify Parmesan labels)

Nutrition details (each serving)

For your information only. Not a replacement for professional health advice.
  • Calorie count: 335
  • Fat content: 15 grams
  • Carbohydrates: 20 grams
  • Protein content: 32 grams