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Easy Spaghetti Squash Marinara

Easy Spaghetti Squash Marinara

Roasted spaghetti squash meets a quick garlicky marinara, fresh basil, and Parmesan for a lighter pasta-night classic. Simple, cozy, and weeknight-friendly.
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Prep Time: 10 minutes
Cook Time: 45 minutes
Total Time: 55 minutes
Servings: 4

Ingredients
 

Main Ingredients

  • 3 lb spaghetti squash
  • 2 tbsp extra-virgin olive oil divided
  • 0.75 tsp kosher salt plus more to taste
  • 0.5 tsp freshly ground black pepper plus more to taste
  • 0.5 cup yellow onion, finely chopped
  • 2 tsp minced garlic
  • 2.25 cup marinara sauce
  • 0.75 tsp Italian seasoning
  • 0.25 tsp crushed red pepper flakes optional, for heat
  • 2 tbsp fresh basil, chopped plus more for serving
  • 0.33 cup grated Parmesan cheese

Instructions

Preparation Steps

  • Preheat oven to 400°F and line a sheet pan with parchment.
  • Halve the squash lengthwise and scoop out the seeds.
  • Brush cut sides with 1 tbsp olive oil; season with a pinch of salt and pepper. Place cut side down on the pan.
  • Roast until the flesh shreds easily with a fork, 40 to 45 minutes. Let cool briefly.
  • Warm remaining 1 tbsp olive oil in a saucepan over medium heat. Soften onion 3 to 4 minutes, stirring.
  • Stir in garlic; cook 30 seconds. Add marinara, Italian seasoning, and red pepper flakes. Simmer 8 to 10 minutes; season with salt and pepper to taste.
  • Scrape the roasted squash into strands with a fork. Toss with the warm marinara or plate squash and spoon sauce over top.
  • Finish with basil and Parmesan. Serve hot.

Notes

Variation: Add sautéed mushrooms or browned turkey meatballs to the sauce for extra protein. For dairy-free, skip Parmesan or use a plant-based alternative. Storage: Refrigerate leftovers in an airtight container up to 3 days; reheat gently on the stovetop with a splash of water.
This recipe is an original creation inspired by classic Easy Spaghetti Squash Marinara flavors. All ingredient ratios and instructions are independently developed.