Cheesy Garlic Parmesan Spinach Spaghetti Squash Recipe

Creamy, garlicky, cheesy, and packed with spinach — this dish turns humble spaghetti squash into a stunning side or satisfying main!

🌟 Introduction

Spaghetti squash is a fantastic vegetable that magically transforms into noodle-like strands once roasted. Its mild, slightly sweet flavor makes it the perfect base for creamy, cheesy sauces — especially ones bursting with garlic and fresh greens.

💖 Why You’ll Love This Dish

• ✅ Low-carb, gluten-free comfort food

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• ✅ Creamy without being too heavy

• ✅ Packed with vitamin-rich spinach

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• ✅ Perfect as a main or side dish

• ✅ Great for meal prep

• ✅ Easy to customize with proteins or extra veggies

🔥 How to Cut and Cook Spaghetti Squash

Spaghetti squash can be intimidating if it’s your first time, but once you get the hang of it, it’s easy!

🥄 Step-by-Step:

1. Preheat oven to 400°F (200°C).

2. Cut squash in half lengthwise (carefully! Use a towel to steady it if needed).

3. Scoop out seeds with a spoon.

4. Brush cut sides with olive oil and season with salt and pepper.

5. Place face down on a parchment-lined baking sheet.

6. Roast for 35–45 minutes or until the flesh is tender.

7. Let cool slightly, then scrape out strands with a fork.

💡 Pro Tip: Want extra caramelized flavor? Roast cut-side up for the last 10 minutes.

🍳 Step-by-Step Recipe Instructions

Step 1: Roast the Spaghetti Squash

Follow the steps above and set aside the squash “noodles” in a bowl.

Step 2: Make the Garlic Parmesan Sauce

1. Heat butter and olive oil in a large skillet over medium heat.

2. Add garlic and onion, sauté for 3–4 minutes until fragrant and soft.

3. Stir in milk and cream. Bring to a gentle simmer.

4. Add Parmesan and mozzarella gradually, stirring until melted.

5. Season with salt, pepper, and nutmeg (if using).

6. Add spinach and stir until wilted (about 1–2 minutes).

Step 3: Combine

1. Add the roasted squash strands to the skillet.

2. Toss everything together until coated and creamy.

3. Taste and adjust seasoning.

Optional Step 4: Bake for a Golden Top

Transfer the mixture to a baking dish, top with extra cheese, and broil or bake at 400°F for 8–10 minutes until bubbly and golden.

✨ Flavor Additions & Variations

Make this recipe your own by mixing it up:

Protein Boost:

• Add cooked chicken, ground turkey, or bacon bits

• Stir in pan-fried shrimp or flaky salmon

Veggie Lovers:

• Add sautéed mushrooms, zucchini, or kale

• Mix in roasted cherry tomatoes or sun-dried tomatoes

Vegan Version:

• Use dairy-free butter and plant-based milk

• Sub Parmesan with nutritional yeast

• Try vegan cheese shreds or cashew cream sauce

🍽️ Serving Suggestions

This dish works well as a:

• Main course with a crisp green salad

• Low-carb side dish with grilled meats or fish

• Holiday side that pleases vegetarians and meat-eaters alike

• Meal prep bowl topped with egg, avocado, or roasted veggies

Serve hot, garnished with fresh parsley or extra Parmesan.

🧊 How to Store & Reheat

Fridge:

• Store leftovers in an airtight container for up to 4 days.

Freezer:

• Freeze in individual portions (once cooled) for up to 1 month.

• Thaw in fridge overnight before reheating.

Reheat:

• In microwave: 1–2 minutes on high

• In oven: Cover with foil and heat at 350°F until warm

🔍 Nutrition Facts (Per Serving – Based on 4 Servings)

• Calories: ~350

• Protein: 14g

• Carbohydrates: 16g

• Fat: 25g

• Fiber: 3g

• Sugar: 5g

• Calcium: High

• Vitamin A & C: High from spinach and squash

🥗 Health Benefits of Spaghetti Squash

Spaghetti squash is not only low in calories and carbs — it’s also:

• High in vitamins A, B6, and C

• A great source of fiber

• Rich in antioxidants and beta-carotene

• Supports digestion and gut health

• A smart alternative to pasta for diabetics or keto followers

❓ Frequently Asked Questions

Can I make this dish ahead of time?

Yes! You can prep the squash and sauce up to 2 days in advance. Combine and reheat when ready.

Can I use frozen spinach?

Absolutely — thaw and squeeze out excess moisture before adding to the sauce.

Is this keto-friendly?

Yes — just ensure you’re using heavy cream and full-fat cheese, and avoid milk with added sugar.

Can I skip the mozzarella?

You can, but mozzarella adds gooeyness. Sub with fontina, provolone, or more Parmesan.

📝 Final Thoughts

This Cheesy Garlic Parmesan Spinach Spaghetti Squash is one of those unicorn recipes: simple enough for weeknights, impressive enough for guests, and comforting without the carb overload.