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Cheesy Vegetarian Spaghetti Squash Casserole Recipe

Cheesy Vegetarian Spaghetti Squash Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.5 from 14 reviews
  • Author: admin
  • Prep Time: 15 minutes
  • Cook Time: 60 minutes
  • Total Time: 1 hour 15 minutes
  • Yield: 6 servings
  • Category: Main Course
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

Indulge in this delicious Cheesy Vegetarian Spaghetti Squash Casserole, a healthy and satisfying dish that’s bursting with flavor. With a mix of wholesome veggies and gooey cheese, this casserole is a comforting treat for any meal.


Ingredients

Scale

For the Spaghetti Squash:

  • 1 medium spaghetti squash (about 3 pounds)
  • 1 tablespoon olive oil

For the Vegetable Mixture:

  • 1 small yellow onion (diced)
  • 2 cloves garlic (minced)
  • 1 red bell pepper (diced)
  • 1 zucchini (diced)
  • 1 teaspoon dried oregano
  • 1/2 teaspoon crushed red pepper flakes (optional)
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 (14.5-ounce) can diced tomatoes (drained)
  • 1 cup marinara sauce

For the Cheese Topping:

  • 1 1/2 cups shredded mozzarella cheese (divided)
  • 1/4 cup grated Parmesan cheese
  • 2 tablespoons chopped fresh basil or parsley (for garnish)

Instructions

  1. Preheat the oven: Preheat the oven to 400°F (200°C).
  2. Prepare the squash: Slice the spaghetti squash in half lengthwise, remove the seeds, and roast for 35–40 minutes until tender.
  3. Sauté the veggies: In a skillet, cook onion, garlic, bell pepper, and zucchini. Season with oregano, red pepper flakes, salt, and pepper.
  4. Combine ingredients: Add diced tomatoes, marinara sauce, and shredded squash to the skillet. Mix in 1 cup of mozzarella.
  5. Bake: Transfer the mixture to a baking dish, top with remaining cheese, and bake for 20 minutes until bubbly.
  6. Serve: Garnish with basil or parsley before serving.

Notes

  • You can add canned chickpeas or white beans for extra protein.
  • Use a marinara sauce with no added sugar for a healthier option.

Nutrition

  • Serving Size: 1 slice
  • Calories: 210
  • Sugar: 6g
  • Sodium: 540mg
  • Fat: 11g
  • Saturated Fat: 5g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 20g
  • Fiber: 4g
  • Protein: 10g
  • Cholesterol: 20mg