If you love the smoky-sweet punch of barbecue pizza but want something lighter, colorful, and a little unexpected, these BBQ Chicken Pizza Spaghetti Squash Boats are a must-try. Tender, fork-fluffed spaghetti squash replaces traditional dough, creating a naturally gluten-free base that holds melty cheeses, shredded BBQ chicken, and a bright sprinkle of cilantro. The result is playful, comforting, and perfect for weeknights or casual dinner parties.

This recipe balances sweet and tangy BBQ sauce, smoked gouda for that classic barbecue flavor, and creamy whole milk mozzarella for stretch and richness. Red onion brings a sharpness that cuts through the sweetness, while red pepper flakes add a little heat. It’s a simple riff on a comfort-food favorite, but served in edible vegetable boats that feel lighter and more vibrant on the plate.

Why you’ll love these boats

Fun presentation: everyone gets their own spaghetti squash half filled with cheesy, BBQ chicken goodness.
Hands-off roasting: the squash and chicken get most of their flavor from the oven and a quick sauté, so prep is tidy and straightforward.
Customizable: double the chicken if you want leftovers, add roasted corn or sliced bell pepper, or skip the red pepper flakes if you prefer mild flavors.
Simple ingredient list: mostly pantry staples and familiar dairy items, so it’s easy to pull together even on busy nights.

Ingredients

▢1 spaghetti squash
▢1 tablespoon olive oil
▢1/2 red onion, diced, plus a few rings saved for topping
▢3 garlic cloves, minced or pressed
▢1/2 cup BBQ Sauce
▢2 ounces shredded smoked gouda
▢4 ounces shredded whole milk mozzarella
▢1 cup shredded BBQ Chicken (see below)
▢2 tablespoons cilantro, coarsely chopped
▢red pepper flakes
▢salt
▢pepper
▢1 pound 2 pounds if you want leftovers boneless skinless chicken thighs*
▢1 cup BBQ sauce

Notes on ingredients: use chicken thighs that are prepared and sourced according to your personal dietary standards. If you prefer white meat, boneless skinless chicken breast is an easy swap at the same weight. The two cheeses—smoked gouda and whole milk mozzarella—give complementary flavors: the gouda adds a smoky richness while the mozzarella melts beautifully.

Prep and timing

Prep time: 20 minutes
Cook time: 45–60 minutes (depending on squash size and how you cook the chicken)
Serves: 2 as main dishes, or 4 as a light meal or appetizer if you use 2 pounds of chicken for leftovers

Step-by-step instructions

Follow these rewritten, clarified directions to make the recipe smoothly. The order follows the original flow: prepare and roast the spaghetti squash, cook and shred the chicken with BBQ sauce, sauté aromatics, combine, assemble into the squash boats, top with cheeses and finish in the oven. Exact ingredient amounts are preserved.

Preheat your oven to 400°F (205°C). Line a baking sheet with foil or parchment for easy cleanup.
Prepare the spaghetti squash: halve the ▢1 spaghetti squash lengthwise and scoop out the seeds. Brush the cut sides with ▢1 tablespoon olive oil and season lightly with ▢salt and ▢pepper. Place the squash halves cut-side down on the prepared baking sheet and roast in the preheated oven for 30–45 minutes, depending on the size of the squash, until the flesh is easily pierced with a fork and separates into strands.
Cook the chicken: while the squash roasts, season ▢1 pound 2 pounds if you want leftovers boneless skinless chicken thighs* with a pinch of salt and pepper. Place the thighs in a baking dish or on a separate sheet and roast them in the oven alongside the squash, or cook them on the stovetop in a skillet over medium heat with a touch of oil until cooked through (internal temperature 165°F / 74°C). Once cooked, let the meat rest briefly, then shred into bite-sized pieces. Toss the shredded chicken with ▢1 cup BBQ sauce until well coated; set aside as the shredded BBQ Chicken referenced in the ingredient list.
Sauté the aromatics: in a medium skillet over medium heat, warm a small splash of olive oil. Add ▢1/2 red onion, diced, and sauté until softened, about 4–6 minutes. Add ▢3 garlic cloves, minced or pressed, and cook for 30–60 seconds more until fragrant. Stir in ▢1/2 cup BBQ Sauce, then remove the pan from the heat. Taste and season with additional ▢salt and ▢pepper if needed. Keep a few reserved onion rings aside for topping the finished squash boats.
Fluff the squash: when the spaghetti squash is cool enough to handle, use a fork to scrape the flesh from each half into long, spaghetti-like strands, leaving a small border of flesh to keep the boat shape intact. Transfer the scraped strands into a large bowl or leave them in the shells if you prefer to assemble in the ovenproof halves.
Combine the filling: add the shredded BBQ Chicken (▢1 cup) to the bowl with the squash strands. Pour the sautéed onion-garlic-BBQ mixture over the top and fold gently until everything is evenly coated. Stir in ▢2 ounces shredded smoked gouda and ▢4 ounces shredded whole milk mozzarella, reserving a little cheese for topping if you like extra meltiness. Taste and adjust seasoning with ▢salt, ▢pepper, and a pinch of ▢red pepper flakes to your preference.
Assemble the boats: spoon the BBQ chicken and squash mixture back into the roasted spaghetti squash halves, dividing the filling evenly. Sprinkle the tops with any reserved shredded cheese, then add a few of the saved onion rings for crunch and visual contrast.
Finish in the oven: place the filled squash halves back on the baking sheet and bake at 400°F (205°C) for another 8–12 minutes, or until the cheese is melted and bubbling and the tops are warmed through. If you like a bit of browning on the cheese, switch the oven to broil for 1–2 minutes while watching carefully so it doesn’t burn.
Garnish and serve: remove the boats from the oven and let them rest for a couple of minutes. Sprinkle each with ▢2 tablespoons cilantro, coarsely chopped, and a pinch of ▢red pepper flakes for heat if desired. Serve hot, either straight from the shell or transferred to plates. These boats pair nicely with a crisp green salad or roasted vegetables.

Tips for success

If your squash is large, roasting time may increase. Check readiness by testing whether the flesh pulls into strands easily with a fork.
To save time, you can use rotisserie-style shredded chicken that you warm and toss with the ▢1 cup BBQ sauce instead of roasting thighs. Use the same weight as listed.
For extra smoky flavor, choose a BBQ sauce that leans toward hickory or mesquite, and don’t skip the smoked gouda.
Want leftovers? Use ▢2 pounds of boneless skinless chicken thighs as noted in the ingredients and increase the shredded chicken amount accordingly.
Adjust heat levels by adding more or less ▢red pepper flakes when combining the filling.

Make-ahead and storage

You can roast the spaghetti squash a day ahead and keep the halves refrigerated, covered. Shred and mix the chicken with BBQ sauce a day ahead as well. When ready to serve, reheat the filling slightly on the stovetop, stuff the shells, and finish in the oven to melt the cheese. Leftovers keep in an airtight container in the refrigerator for 3–4 days. Reheat gently in the oven or microwave until warmed through.

Variations and swaps

Veg-forward: add roasted corn, diced bell pepper, or black beans to the filling for extra texture and color.
Cheese swap: if smoked gouda is not available, a mild cheddar or smoked mozzarella will still play nicely with the BBQ flavors.
Low-sugar BBQ: use a lower-sugar BBQ sauce or make your own quick sauce by combining tomato paste, apple cider vinegar, a touch of maple syrup, and smoked paprika.
Spice it up: stir in a few tablespoons of pickled jalapeños or finish with sliced fresh jalapeño for a brighter heat.

Serving ideas

These BBQ Chicken Pizza Spaghetti Squash Boats are great on their own, but they’re also lovely paired with a crisp slaw to cut through the richness, a simple arugula salad with lemon vinaigrette, or roasted sweet potatoes. They make excellent party fare when halved into smaller portions for a buffet-style spread.

Final thoughts

This recipe brings playful creativity to weeknight cooking: all the things you love about BBQ chicken pizza—smoky sauce, melty cheese, and savory shredded chicken—are balanced with the lightness and texture of spaghetti squash. It’s satisfying without being heavy, and the presentation is charming enough to make company feel special.

Gather your squash, cheeses, and BBQ sauce, and let these boats do the rest. They’re easy to personalize, straightforward to prepare, and just the kind of recipe that makes you look forward to leftovers.

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BBQ Chicken Pizza Spaghetti Squash Boats

Tasty BBQ chicken and cheese stuffed into baked spaghetti squash halves for a low-carb, crowd-pleasing meal.

Prep Time30

Cook Time12

Total Time42

Servings: 4 servings

Ingredients

1 spaghetti squash
1 tablespoon olive oil
1/2 cup red onion, diced plus a few rings reserved for topping
3 cloves garlic minced or pressed
1/2 cup BBQ sauce
2 ounces smoked gouda, shredded
4 ounces whole milk mozzarella, shredded
1 cup shredded BBQ chicken see chicken preparation below
2 tablespoons cilantro coarsely chopped
red pepper flakes to taste
salt to taste
pepper to taste
1 pound boneless skinless chicken thighs use 2 pounds if you want leftovers
1 cup BBQ sauce (for chicken)

Instructions

Make the chicken: Season chicken thighs with salt and pepper and coat with 1 cup BBQ sauce; either cook in a slow cooker on low for 4 hours then shred and return to sauce and cook 30 more minutes, or bake at 400°F for 20–25 minutes until cooked through, then shred and toss with sauce.
Prepare the squash: Cut ends off the spaghetti squash and slice in half lengthwise; scoop out and discard the seeds.
Cook the squash flesh: Place squash halves cut-side up in a microwave-safe dish and microwave 12–15 minutes until the flesh shreds easily with a fork; alternatively roast in a 425°F oven until tender.
Shred the squash flesh with a fork into noodle-like strands, leaving the shells intact to use as boats.
Preheat the oven to 350°F and heat 1 tablespoon olive oil in a large skillet over medium heat.
Sauté garlic and red pepper flakes for about 30 seconds until fragrant, then add the diced red onion, season with salt and pepper, and cook about 5 minutes until softened.
Add the shredded spaghetti squash, 1 cup shredded BBQ chicken (or desired amount), and 1/2 cup BBQ sauce to the skillet; stir to combine and adjust salt and pepper to taste.
Place the empty squash shells in a large baking dish and evenly divide the squash and chicken mixture between them.
Top each stuffed squash with shredded mozzarella and smoked gouda, add a few small dollops of extra BBQ sauce if desired, and arrange reserved onion rings on top.
Bake at 350°F for about 10 minutes until the cheese is melted and bubbly, then broil 1–2 minutes if you want the cheese browned.
Garnish with chopped cilantro and a sprinkle of red pepper flakes before serving.