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Salmon Spaghetti Squash Bake

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Salmon Spaghetti Squash Bake is a light yet hearty dish that combines the natural sweetness of roasted spaghetti squash with tender salmon, bound together with a creamy garlic-Parmesan sauce. This low-carb, gluten-free bake is comforting, nutritious, and perfect for family dinners or meal prep.

Ingredients

1 1/2 pounds spaghetti squash (about half of a standard 3 lb squash)

8 ounces salmon (2 fillets)

3 tablespoons olive oil, divided

2 teaspoons garlic powder (or 2 garlic cloves, minced)

1/2 teaspoon sea salt, plus extra pinches for squash and salmon

1/4 teaspoon red pepper flakes

2 tablespoons flour (all-purpose or gluten-free)

1 cup milk

2/3 cup Parmesan cheese, freshly grated (divided)

Optional substitutions: Swiss, Jarlsberg, or Smoked Gouda

Instructions

  1. Preheat oven to 400°F (200°C). Slice spaghetti squash in half lengthwise, scoop out seeds, drizzle with olive oil, and season with salt. Place cut side down on a baking sheet and roast 35–40 minutes until tender. Scrape with a fork to create strands.
  2. Season salmon fillets with salt and drizzle of olive oil. Bake on a lined sheet pan for 12–15 minutes until cooked through. Flake into bite-sized pieces and set aside.
  3. In a saucepan, heat 2 tablespoons olive oil over medium heat. Add garlic and red pepper flakes, cooking briefly until fragrant. Whisk in flour to form a roux.
  4. Slowly whisk in milk, cooking until thickened. Stir in 1/3 cup Parmesan, salt, and pepper to taste.
  5. Combine spaghetti squash strands, flaked salmon, and sauce in a large bowl. Toss gently to coat.
  6. Transfer mixture to a greased baking dish. Sprinkle with remaining Parmesan.
  7. Bake 15–20 minutes at 375°F (190°C) until bubbly and lightly golden. Serve warm.

Notes

Add spinach or kale for extra greens.

Use smoked salmon for a richer flavor.

Swap Parmesan with Gouda, Swiss, or Jarlsberg for variety.

Make it dairy-free using almond milk and plant-based cheese.

Add sun-dried tomatoes or roasted red peppers for brightness.

Nutrition