Sausage Peppers Spaghetti Squash is a delightful blend of rich Italian sausage and fresh bell peppers served over tender spaghetti squash. This dish is a perfect alternative to traditional pasta, offering a low-carb and gluten-free option without sacrificing flavor. The combination of roasted vegetables and savory sausage creates a comforting meal that’s not only healthy but also incredibly satisfying. Let’s dive into this amazing recipe.

Why You’ll Love This Sausage Peppers Spaghetti Squash
This dish is a culinary gem for several reasons:
- It’s a healthy sausage pepper recipe that keeps your calorie intake low.
- This meal is gluten-free, making it suitable for those with dietary restrictions.
- It’s a low-carb sausage pepper meal, perfect for keto enthusiasts.
- The flavors meld beautifully, creating a satisfying sausage and peppers dish.
- Prep and cooking time is just 55 minutes, making it a weeknight winner.
- It’s versatile; you can add or substitute other vegetables like zucchini for added nutrients.
- Perfect for meal prep, it can be stored and reheated easily.
- This is a great sausage and peppers pasta alternative that will please pasta lovers.
Ingredients for Sausage Peppers Spaghetti Squash
Gather these items:
- 1 medium spaghetti squash
- 1 pound Italian sausage (mild or spicy)
- 1 red bell pepper, diced
- 1 yellow bell pepper, diced
- 1 small onion, diced
- 3 cloves garlic, minced
- 1 teaspoon Italian seasoning
- 1 teaspoon red pepper flakes (optional)
- 1 can (14.5 oz) crushed tomatoes
- 1 cup shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese
- Salt and pepper, to taste
- Olive oil, for cooking
- Fresh basil, for garnish (optional)
How to Make Sausage Peppers Spaghetti Squash Step-by-Step
- Step 1: Preheat your oven to 400°F (200°C).
- Step 2: Cut the spaghetti squash in half lengthwise. Scoop out the seeds and brush the insides with olive oil. Season with salt and pepper.
- Step 3: Place the squash halves cut-side down on a baking sheet. Roast for 30-35 minutes until tender.
- Step 4: In a large skillet, heat a tablespoon of olive oil over medium heat. Add the Italian sausage, breaking it apart with a spoon, and cook until browned.
- Step 5: Stir in the diced onion and peppers. Cook for about 5 minutes until softened. Then add minced garlic, Italian seasoning, and red pepper flakes. Cook for an additional minute until fragrant.
- Step 6: Pour in the crushed tomatoes and stir to combine. Let the mixture simmer for 5 minutes, allowing the flavors to meld. Season with salt and pepper to taste.
- Step 7: Once the spaghetti squash is roasted, carefully scrape the flesh with a fork to create spaghetti-like strands.
- Step 8: In a large bowl, combine the spaghetti squash strands with the sausage and pepper mixture. Add half of the mozzarella and Parmesan cheese, mixing well.
- Step 9: Pour the mixture into a greased casserole dish. Top with the remaining mozzarella and Parmesan cheese.
- Step 10: Place the casserole in the oven and bake for 15-20 minutes until the cheese is melted and bubbly.
- Step 11: Once done, remove from the oven and let it cool for a few minutes. Garnish with fresh basil if desired.

Pro Tips for the Best Sausage Peppers Spaghetti Squash
Keep these in mind:
- Feel free to adjust the level of spice by choosing mild or spicy sausage.
- You can add other vegetables like zucchini or mushrooms for variety.
- This dish can be made ahead and refrigerated before baking.
- For added flavor, consider using fresh herbs like oregano or thyme.
Best Ways to Serve Sausage Peppers Spaghetti Squash
Consider these serving ideas:
- Serve it with a side salad for a complete meal.
- Pair it with garlic bread for a comforting dinner.
- This dish can also be served as a hearty lunch option.
How to Store and Reheat Sausage Peppers Spaghetti Squash
To store, place any leftovers in an airtight container in the refrigerator. When ready to enjoy, simply reheat in the oven at 350°F (175°C) for about 15-20 minutes until warm. This makes it an excellent option for sausage and peppers for meal prep.
Frequently Asked Questions About Sausage Peppers Spaghetti Squash
What’s the secret to perfect Sausage Peppers Spaghetti Squash?
The key is to ensure the spaghetti squash is roasted properly until tender. Use a fork to scrape out the strands gently to avoid mushiness. Pairing it with the right peppers and sausage recipe enhances the flavors beautifully.
Can I make Sausage Peppers Spaghetti Squash ahead of time?
Absolutely! You can prepare the casserole ahead of time, store it in the refrigerator, and bake it when ready to serve. This makes it a great option for busy weeknights.
How do I avoid common mistakes with Sausage Peppers Spaghetti Squash?
Make sure to roast the spaghetti squash until it’s fork-tender but not overcooked. Avoid adding too much liquid when mixing the sausage and peppers; otherwise, it can become watery.
Variations of Sausage Peppers Spaghetti Squash You Can Try
If you’re looking for something different, consider these variations:
- Try using turkey or chicken sausage for a lighter option.
- Add different veggies like mushrooms or spinach for added nutrition.
- For a spicy kick, use hot Italian sausage and extra red pepper flakes.
- This dish can also be made as a sausage stuffed spaghetti squash by serving the filling directly within the squash halves.

For more delicious recipes, check out our Bake Chocolate Eclair Cake or Creamy Tuscan Scallops Recipe. If you’re interested in meal prep ideas, visit One Pan Sweet Tangy Sausage Rice for a quick and easy option.
For additional information on the health benefits of spaghetti squash, you can refer to this Healthline article.
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Sausage Peppers Spaghetti Squash Casserole: 5 Star Recipe
- Total Time: 55 minutes
- Yield: 4 servings 1x
- Diet: Gluten Free
Description
Sausage and Peppers Spaghetti Squash Casserole is a flavorful and healthy dish that combines the richness of Italian sausage with the freshness of bell peppers, served over spaghetti squash.
Ingredients
- 1 medium spaghetti squash
- 1 pound Italian sausage (mild or spicy)
- 1 red bell pepper, diced
- 1 yellow bell pepper, diced
- 1 small onion, diced
- 3 cloves garlic, minced
- 1 teaspoon Italian seasoning
- 1 teaspoon red pepper flakes (optional)
- 1 can (14.5 oz) crushed tomatoes
- 1 cup shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese
- Salt and pepper, to taste
- Olive oil, for cooking
- Fresh basil, for garnish (optional)
Instructions
- Preheat your oven to 400°F (200°C).
- Cut the spaghetti squash in half lengthwise. Scoop out the seeds and brush the insides with olive oil. Season with salt and pepper.
- Place the squash halves cut-side down on a baking sheet. Roast for 30-35 minutes until tender.
- In a large skillet, heat a tablespoon of olive oil over medium heat. Add the Italian sausage, breaking it apart with a spoon, and cook until browned.
- Stir in the diced onion and peppers. Cook for about 5 minutes until softened. Then add minced garlic, Italian seasoning, and red pepper flakes. Cook for an additional minute until fragrant.
- Pour in the crushed tomatoes and stir to combine. Let the mixture simmer for 5 minutes, allowing the flavors to meld. Season with salt and pepper to taste.
- Once the spaghetti squash is roasted, carefully scrape the flesh with a fork to create spaghetti-like strands.
- In a large bowl, combine the spaghetti squash strands with the sausage and pepper mixture. Add half of the mozzarella and Parmesan cheese, mixing well.
- Pour the mixture into a greased casserole dish. Top with the remaining mozzarella and Parmesan cheese.
- Place the casserole in the oven and bake for 15-20 minutes until the cheese is melted and bubbly.
- Once done, remove from the oven and let it cool for a few minutes. Garnish with fresh basil if desired.
Notes
- Feel free to adjust the level of spice by choosing mild or spicy sausage.
- You can add other vegetables like zucchini or mushrooms for variety.
- This dish can be made ahead and refrigerated before baking.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Category: Main Dish
- Method: Baking
- Cuisine: Italian
Nutrition
- Serving Size: 1 serving
- Calories: 320
- Sugar: 6g
- Sodium: 650mg
- Fat: 18g
- Saturated Fat: 7g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 4g
- Protein: 22g
- Cholesterol: 60mg