Go Back

Sausage and Peppers Spaghetti Squash Casserole

A delicious, low-carb casserole that combines savory Italian sausage, colorful bell peppers, and tender spaghetti squash for a comforting family meal.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: Italian
Calories: 320
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 1 medium spaghetti squash Acts as a low-carb, nutritious base.
  • 1 pound Italian sausage Provides rich flavor.
  • 1 each red bell pepper, diced Adds color and sweetness.
  • 1 each yellow bell pepper, diced Enhances visual appeal and flavor.
  • 1 each green bell pepper, diced Contributes freshness.
  • 1 each onion, diced Builds depth with savory notes.
  • 2 cloves garlic, minced Offers aromatic richness.
  • 1 teaspoon Italian seasoning Ties together the flavors.
  • to taste salt and pepper Essential for balancing flavors.
  • 1 cup marinara sauce Adds moisture.
  • 1 cup shredded mozzarella cheese Creates a creamy, melty top layer.

Method
 

Preparation
  1. Preheat the oven to 375°F (190°C).
  2. Cut the spaghetti squash in half lengthwise, scoop out the seeds, and place it cut-side down on a baking sheet.
  3. Roast the squash for about 30-40 minutes, or until tender.
Cooking
  1. Heat a skillet over medium heat and add the Italian sausage, cooking until browned.
  2. Stir in the diced onion, bell peppers, and garlic, cooking until the vegetables are tender, about 5-7 minutes.
  3. Stir in the Italian seasoning, salt, pepper, and marinara sauce, letting the flavors meld for 2-3 minutes.
Assembly and Baking
  1. Once the spaghetti squash is done roasting, scrape the flesh into strands with a fork and mix it into the sausage and pepper mixture.
  2. Transfer the mixture to a greased baking dish, top with shredded mozzarella cheese, and bake for an additional 15 minutes or until the cheese is melted and bubbly.
Serving
  1. Enjoy your casserole warm, savoring the delightful blend of flavors and textures!

Notes

Prepare double portions and freeze for easy meals later. Consider using pre-diced vegetables or leftover sausage to shorten prep time. Substitute Italian sausage with turkey or plant-based alternatives for healthier options.