Spaghetti Squash Alfredo is a delightful and creamy dish that transforms the traditional pasta experience into a healthier option. This recipe is perfect for weeknight dinners, special occasions, or meal prep, offering a fantastic alternative to classic Alfredo. With its rich flavors and unique textures, Spaghetti Squash Alfredo is sure to impress family and friends while providing a nutritious twist on comfort food.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Spaghetti Squash
- For the Creamy Sauce
- How to Make Spaghetti Squash Alfredo
- Step 1: Preheat the Oven
- Step 2: Prepare the Spaghetti Squash
- Step 3: Make the Creamy Sauce
- Step 4: Combine and Serve
- How to Serve Spaghetti Squash Alfredo
- Pair with Fresh Herbs
- Add Protein
- Top with Vegetables
- Serve with Bread
- How to Perfect Spaghetti Squash Alfredo
- Best Side Dishes for Spaghetti Squash Alfredo
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Spaghetti Squash Alfredo
- Reheating Spaghetti Squash Alfredo
- Frequently Asked Questions
- Can I use other vegetables in my Spaghetti Squash Alfredo?
- What is a good substitute for heavy cream in this recipe?
- How do I know when my spaghetti squash is done cooking?
- Is Spaghetti Squash Alfredo suitable for meal prep?
- Can I make this dish vegan?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Healthier Choice: Spaghetti squash is low in calories and packed with vitamins, making it a great alternative to traditional pasta.
- Easy to Make: This recipe comes together quickly, making it perfect for busy weeknights or last-minute gatherings.
- Creamy and Flavorful: The creamy sauce made from cashews delivers all the richness of Alfredo without dairy or heavy fats.
- Versatile Dish: Add your favorite vegetables or proteins like chicken or turkey for a customized meal that suits your taste.
- Great for Meal Prep: This dish stores well in the fridge, so you can enjoy leftovers throughout the week.
Tools and Preparation
Before diving into the cooking process, gather your essential tools. Having everything ready will make the preparation smoother and more enjoyable.
Essential Tools and Equipment
- Baking sheet
- Large pot
- Food processor or blender
- Fork
Importance of Each Tool
- Baking sheet: Ideal for roasting the spaghetti squash evenly, ensuring it cooks through while maintaining its texture.
- Food processor or blender: Essential for creating a smooth and creamy sauce that brings the dish together beautifully.

Ingredients
For the Spaghetti Squash
- 1 medium spaghetti squash
- Olive oil
- Salt
- Pepper
For the Creamy Sauce
- 1 cup raw cashews (soaked for 4 hours)
- 1 cup vegetable broth
- 2 tablespoons nutritional yeast
- 2 tablespoons lemon juice
- 1 teaspoon garlic powder
- Salt to taste
How to Make Spaghetti Squash Alfredo
Step 1: Preheat the Oven
Preheat your oven to 400°F (200°C). This step ensures that your spaghetti squash roasts evenly.
Step 2: Prepare the Spaghetti Squash
- Cut the spaghetti squash in half lengthwise.
- Scoop out the seeds using a spoon.
- Drizzle olive oil over the cut sides and sprinkle with salt and pepper.
- Place both halves cut-side down on a baking sheet.
- Roast in the oven for about 30-40 minutes until tender.
Step 3: Make the Creamy Sauce
- Drain and rinse the soaked cashews.
- In a food processor or blender, combine soaked cashews, vegetable broth, nutritional yeast, lemon juice, garlic powder, and salt.
- Blend until smooth and creamy. Adjust seasoning if necessary.
Step 4: Combine and Serve
- Once the spaghetti squash is roasted, use a fork to scrape out strands into a large bowl.
- Pour the creamy sauce over the strands and mix well until evenly coated.
- Serve immediately as a delicious main dish or side!
Enjoy your homemade Spaghetti Squash Alfredo!
How to Serve Spaghetti Squash Alfredo
Spaghetti Squash Alfredo is a versatile dish that can be enjoyed in various ways. Here are some serving suggestions to elevate your meal experience.
Pair with Fresh Herbs
- Basil or Parsley: Sprinkle fresh basil or parsley on top for a burst of flavor and color.
- Chives: Add chopped chives for a mild onion flavor that complements the creamy sauce.
Add Protein
- Grilled Chicken: Sliced grilled chicken adds a hearty protein element to your dish.
- Sautéed Shrimp: Toss in some sautéed shrimp for a seafood twist that pairs well with the Alfredo sauce.
Top with Vegetables
- Steamed Broccoli: A side of steamed broccoli brings nutrition and a lovely crunch.
- Roasted Bell Peppers: Add roasted bell peppers for sweetness and vibrant color.
Serve with Bread
- Garlic Bread: Crispy garlic bread is perfect for scooping up any leftover sauce.
- Breadsticks: Soft breadsticks make for a delightful addition, offering great texture alongside the dish.
How to Perfect Spaghetti Squash Alfredo
To create the best Spaghetti Squash Alfredo, consider these helpful tips.
- Choose Ripe Squash: Select a firm, heavy spaghetti squash for optimal texture and flavor.
- Cook Thoroughly: Ensure the squash is cooked until tender; this makes it easier to shred into strands.
- Use Quality Ingredients: Opt for fresh vegetables and high-quality cream for the best taste.
- Adjust Seasoning: Taste and adjust salt and pepper as needed to enhance the overall flavor.
- Serve Immediately: Enjoy your dish right after preparation for the best texture and temperature.
Best Side Dishes for Spaghetti Squash Alfredo
Adding sides can make your meal more satisfying. Here are some excellent options to serve alongside Spaghetti Squash Alfredo.
- Garlic Roasted Asparagus: Tender asparagus spears roasted with garlic add elegance and vibrant color.
- Caesar Salad: A crisp Caesar salad provides refreshing crunch and complements the creamy pasta well.
- Quinoa Pilaf: Flavorful quinoa pilaf made with vegetables offers a nutritious boost and nutty flavor.
- Caprese Salad: Fresh mozzarella, tomatoes, and basil drizzled with olive oil create a delightful contrast.
- Grilled Zucchini: Lightly seasoned grilled zucchini adds smokiness and enhances your meal’s veggie intake.
- Balsamic Brussels Sprouts: Roasted Brussels sprouts glazed with balsamic vinegar provide a sweet-tangy bite.
Common Mistakes to Avoid
To ensure your Spaghetti Squash Alfredo turns out perfectly, avoid these common mistakes.
- Bold ingredient choices: Using the wrong type of cheese can alter the flavor. Opt for creamy, flavorful cheeses like Parmesan or nutritional yeast for a vegan option.
- Bold cooking time: Overcooking spaghetti squash makes it mushy. Bake until just tender; this usually takes about 30-40 minutes.
- Bold seasoning errors: Skipping seasonings can lead to blandness. Always taste and adjust salt, pepper, and garlic powder for the best results.
- Bold sauce consistency: Not thickening your sauce properly will result in a watery dish. Use plant-based gelling agents if needed to achieve the desired creaminess.
- Bold serving style: Neglecting to serve immediately can make the dish less appealing. Serve hot for best flavor and texture.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Keep in the refrigerator for up to 3 days.
Freezing Spaghetti Squash Alfredo
- Place in freezer-safe containers.
- Freeze for up to 2 months for best quality.
Reheating Spaghetti Squash Alfredo
- Oven: Preheat to 350°F (175°C), cover with foil, and heat for about 20 minutes until warmed through.
- Microwave: Heat in short intervals of 1-2 minutes, stirring between each interval until hot.
- Stovetop: Warm over low heat in a saucepan, stirring frequently to prevent sticking.
Frequently Asked Questions
Here are some answers to common questions about Spaghetti Squash Alfredo.
Can I use other vegetables in my Spaghetti Squash Alfredo?
Yes! You can add sautéed spinach, mushrooms, or broccoli for extra nutrition and flavor.
What is a good substitute for heavy cream in this recipe?
You can use coconut cream or blended silken tofu as great non-dairy alternatives.
How do I know when my spaghetti squash is done cooking?
It should be tender when pierced with a fork but not overly soft. A slight firmness is ideal.
Is Spaghetti Squash Alfredo suitable for meal prep?
Absolutely! It stores well and reheats easily, making it perfect for meal prepping.
Can I make this dish vegan?
Yes! Use nutritional yeast instead of cheese and plant-based milk or cream alternatives for a creamy texture.
Final Thoughts
Spaghetti Squash Alfredo is a delightful dish that combines comfort food with healthy ingredients. Its versatility allows you to customize it with various vegetables or proteins, making it suitable for many tastes. Give it a try and enjoy a deliciously creamy meal!
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Spaghetti Squash Alfredo
- Total Time: 55 minutes
- Yield: Serves 4
Description
Indulge in our creamy Spaghetti Squash Alfredo, a healthy twist on the beloved classic comfort food. This dish transforms spaghetti squash into a delightful pasta alternative, featuring a rich and velvety sauce made from wholesome ingredients. With its vibrant flavors and unique textures, this recipe is perfect for weeknight dinners or special occasions. Packed with nutrients and easy to prepare, it’s ideal for meal prep or impressing family and friends. Customize your dish by adding grilled chicken or your favorite vegetables for a satisfying meal that caters to all tastes.
Ingredients
- 1 medium spaghetti squash
- Olive oil
- Salt
- Pepper
- 1 cup raw cashews (soaked for 4 hours)
- 1 cup vegetable broth
- 2 tablespoons nutritional yeast
- 2 tablespoons lemon juice
- 1 teaspoon garlic powder
Instructions
- Preheat your oven to 400°F (200°C).
- Cut the spaghetti squash in half lengthwise, scoop out the seeds, drizzle with olive oil, and season with salt and pepper.
- Place cut-side down on a baking sheet and roast for 30-40 minutes until tender.
- In a food processor or blender, combine soaked cashews, vegetable broth, nutritional yeast, lemon juice, garlic powder, and salt. Blend until smooth.
- Once the squash is cooked, scrape strands into a bowl, mix in the creamy sauce until evenly coated, and serve immediately.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Category: Main
- Method: Baking
- Cuisine: Italian
Nutrition
- Serving Size: 1 serving
- Calories: 380
- Sugar: 3g
- Sodium: 250mg
- Fat: 22g
- Saturated Fat: 3g
- Unsaturated Fat: 18g
- Trans Fat: 0g
- Carbohydrates: 34g
- Fiber: 7g
- Protein: 12g
- Cholesterol: 0mg





