Lemon Garlic Chicken Spaghetti Squash

Featured in: Simple Suppers

This vibrant lemon garlic chicken pairs beautifully with roasted spaghetti squash for a nutritious, gluten-free meal. Start by roasting halved spaghetti squash until tender (40-45 minutes), then sauté bite-sized chicken pieces until golden before finishing with fresh lemon juice, garlic, and parsley. The result is a restaurant-quality dish that's ready in just over an hour, perfect for weeknight dinners or meal prep.

Updated on Tue, 20 Jan 2026 12:01:00 GMT
Roasted spaghetti squash strands topped with tender lemon garlic chicken, fresh parsley, and grated Parmesan cheese. Save
Roasted spaghetti squash strands topped with tender lemon garlic chicken, fresh parsley, and grated Parmesan cheese. | butterhollow.com

The first time I served this, my friend kept asking what restaurant Id ordered from. The brightness of the lemon against the mellow sweetness of roasted squash creates something magical together. I stumbled on this combination during a month of trying to eat lighter but still wanting dinner to feel special. Now its become the recipe I turn to when I want food that nourishes without feeling like compromise.

Last winter my sister was recovering from surgery and needed meals that felt healing but not boring. I brought over a batch of this, and she texted me three days later saying she'd made it twice already because she couldn't stop thinking about the flavors. Theres something about the combination of textures too, the way the squash strands twirl around your fork like pasta but with more personality.

Ingredients

  • 1 large spaghetti squash: Look for one that feels heavy for its size with a firm, unblemished skin. The weight indicates moisture inside, which means better texture after roasting.
  • 1 tbsp olive oil: This helps the squash caramelize and develop those sweet, nutty notes as it roasts.
  • ½ tsp kosher salt: Use kosher salt here rather than table salt. The flakes distribute more evenly and you can actually taste the seasoning better.
  • ¼ tsp black pepper: Freshly cracked pepper makes a noticeable difference in the final dish.
  • 1 lb boneless skinless chicken breasts: Cutting into bite-sized pieces before cooking means more surface area for seasoning and faster cooking.
  • 2 tbsp olive oil: You need enough oil to properly sear the chicken. Dont skimp here or youll miss that golden color and flavor.
  • 4 cloves garlic: Minced fresh garlic transforms in the pan, losing its harshness and becoming mellow and sweet.
  • 1 lemon: Youll use both the zest and the juice. The zest carries all the aromatic oils while the juice provides acid.
  • ½ tsp dried oregano: This adds an earthy backbone that grounds the bright citrus notes.
  • ½ cup freshly grated Parmesan cheese: Grating it yourself makes a huge difference. Pre-grated cheese has anti-caking agents that prevent it from melting properly.

Instructions

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Roast the squash:
Preheat your oven to 400°F. 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 on a parchment-lined baking sheet. Roast for 40 to 45 minutes, until a fork easily pierces the flesh and the strands pull apart.
Season the chicken:
While the squash is doing its thing, toss the chicken pieces with salt, pepper, oregano, and half of your lemon zest. Letting it sit briefly helps the flavors penetrate the meat.
Sear the chicken:
Heat 2 tablespoons of olive oil in a large skillet over medium-high heat. Add the chicken in a single layer and let it develop a golden crust before stirring. Cook for 6 to 8 minutes until its cooked through and beautifully browned.
Add the aromatics:
Stir in the minced garlic and cook for just one minute until fragrant. Add the remaining lemon zest, lemon juice, and chopped parsley, then cook for another minute or two. Remove from heat so the garlic doesnt turn bitter.
Assemble and serve:
When the squash is cool enough to handle, use a fork to scrape the flesh into strands. Divide among plates and top generously with the lemon garlic chicken and any pan juices. Finish with Parmesan and extra parsley.
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This recipe has become my go-to for dinner parties because people always ask for seconds, even the ones who claim they dont like squash. Something about the way the lemon and garlic cling to every strand just works. My husband says this is the only way he actually enjoys eating vegetables without feeling like hes missing out on something better.

Making It Your Own

Ive played with this recipe enough to know what works and what doesnt. Adding red pepper flakes with the garlic gives it a gentle warmth that really complements the citrus. Sometimes I throw in cherry tomatoes during the last few minutes of chicken cooking so they burst and become saucy. The key is keeping the balance between bright and rich, so any additions should enhance, not overwhelm, the lemon and garlic.

Perfect Pairings

A crisp white wine like Sauvignon Blanc echoes the lemon notes beautifully. If you want something green on the plate, a simple arugula salad with more lemon vinaigrette ties everything together. For heartier appetites, crusty bread works for soaking up the pan juices, even though the squash is plenty filling on its own.

Storage and Reheating

This keeps well for about three days in the refrigerator, though the squash gets softer each day. Reheat gently in a skillet with a splash of water or broth to refresh the texture. The microwave works too, but the skillet method keeps everything from getting rubbery. If you know you're meal prepping, store the components separately and combine just before eating.

  • Squeeze fresh lemon over leftovers before serving to wake up the flavors
  • Consider packing the Parmesan separately and adding it after reheating
  • The chicken actually tastes better the next day as the flavors meld
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Golden-brown lemon garlic chicken pieces arranged over bright orange spaghetti squash, finished with Parmesan and lemon wedges. Save
Golden-brown lemon garlic chicken pieces arranged over bright orange spaghetti squash, finished with Parmesan and lemon wedges. | butterhollow.com

Every time I make this, Im reminded that eating well doesnt have to mean sacrificing satisfaction. Theres joy in food that leaves you feeling energized instead of heavy.

Kitchen Tips & Answers

Can I prepare this dish ahead of time?

Yes, you can roast the spaghetti squash and cook the chicken separately up to 2 days in advance. Store both in airtight containers in the refrigerator. Reheat gently on the stovetop and combine just before serving for the best texture and flavor.

What can I use instead of spaghetti squash?

Regular spaghetti pasta, zucchini noodles, or angel hair pasta work well as substitutes. Adjust cooking times accordingly—fresh pasta takes 8-10 minutes, while dried pasta typically needs 9-12 minutes to reach al dente texture.

How do I make this dairy-free?

Simply omit the Parmesan cheese or replace it with a dairy-free alternative like cashew-based parmesan or nutritional yeast. The dish remains delicious and flavorful without the cheese, though you may want to add extra lemon zest for brightness.

Can I use chicken thighs instead of breasts?

Absolutely. Chicken thighs offer more flavor and remain juicier during cooking. Cut them into similar-sized pieces and add an extra 2-3 minutes to the cooking time. They're an excellent choice if you prefer dark meat.

What wine pairs best with this meal?

A crisp Sauvignon Blanc complements the bright lemon and garlic flavors beautifully. Alternatively, try Pinot Grigio or Vermentino for light, refreshing white wine options that won't overpower the delicate chicken and squash.

How do I know when the spaghetti squash is done roasting?

The flesh should be tender enough to easily separate into strands with a fork. Gently press the outside of the squash—it should yield slightly to pressure. If it's still firm, continue roasting in 5-minute intervals until fully cooked.

Lemon Garlic Chicken Spaghetti Squash

Tender lemon-garlic chicken atop roasted spaghetti squash strands with Parmesan—a light, satisfying gluten-free main dish.

Prep duration
20 min
Heat duration
45 min
Complete duration
65 min
Created by Ella Thompson


Skill level Medium

Heritage American

Output 4 Portions

Eating preferences No gluten, Carb-Conscious

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 for serving
03 Fresh parsley for garnish

Method

Phase 01

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

Phase 02

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

Phase 03

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

Phase 04

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

Phase 05

Infuse garlic: Add the minced garlic and cook for 1 minute, until fragrant.

Phase 06

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

Phase 07

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

Phase 08

Plate and compose: Divide the squash strands among plates. Top each portion with the lemon garlic chicken and pan sauce.

Phase 09

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

Kitchen tools needed

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

Allergy details

Always review individual ingredients for potential allergens and seek professional medical guidance if uncertain.
  • Contains dairy from Parmesan cheese
  • Cross-contamination risk during processing; verify all packaged ingredients for allergen warnings
  • Gluten-free as formulated, though confirm all processed ingredients are certified gluten-free

Nutrient breakdown per portion

Numbers shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 335
  • Fats: 15 g
  • Carbohydrates: 20 g
  • Proteins: 32 g