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Leftover Spaghetti Bake Recipe

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3.9 from 8 reviews

Transform your leftover spaghetti into a comforting and delicious baked pasta dish with this easy Leftover Spaghetti Bake recipe. Combining cooked spaghetti noodles with savory pasta sauce, eggs, Italian herbs, and a blend of cheeses, this recipe creates a melty, bubbly casserole that's perfect for family dinners or gatherings. The noodles become tender while the cheese forms a golden, crispy topping, making it an ideal way to reduce food waste and enjoy a hearty meal.

  • Total Time: 50 minutes
  • Yield: 6 servings

Ingredients

Spaghetti Mixture

  • 8 ounces leftover spaghetti noodles (cooked)
  • 1 1/2 cups pasta sauce
  • 2 eggs, beaten
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon salt
  • 1/2 cup Parmesan cheese, grated
  • 1/2 teaspoon red pepper flakes (optional)

Topping & Garnish

  • 2 cups mozzarella cheese, grated
  • 2 Tablespoons fresh basil or parsley, chopped (garnish)

Instructions

  1. Preheat and prepare baking dish: Preheat your oven to 350 degrees F (175 degrees C). Grease a 9"x13" baking dish with cooking spray to ensure the pasta bake does not stick and cooks evenly.
  2. Mix spaghetti and seasonings: In a large mixing bowl, combine the leftover cooked spaghetti noodles, pasta sauce, beaten eggs, Italian seasoning, garlic powder, onion powder, salt, grated Parmesan cheese, and red pepper flakes if using. Use tongs or a large spoon to mix thoroughly, ensuring all the noodles are well-coated with the sauce and seasonings.
  3. Bake covered: Spread the spaghetti mixture evenly into the prepared baking dish. Cover the dish tightly with aluminum foil and bake in the preheated oven for 30 minutes. This allows the flavors to meld and the eggs to set, creating a firm texture.
  4. Add mozzarella and finish baking: Remove the foil carefully and sprinkle the grated mozzarella cheese evenly over the top. Return the dish to the oven and bake uncovered for an additional 10 minutes, or until the cheese is melted, bubbly, and slightly golden on top.
  5. Garnish and serve: Once baked, remove the dish from the oven and garnish with freshly chopped basil or parsley. Serve immediately to enjoy the comforting, cheesy pasta bake at its best.

Notes

  • Using leftover spaghetti noodles is ideal, but fresh cooked and cooled spaghetti can also be used.
  • If you prefer a spicier dish, increase the red pepper flakes or add a dash of hot sauce to the mixture.
  • For a vegetarian option, ensure your pasta sauce and cheese are free from animal rennet or use substitutes.
  • Make sure to mix the eggs thoroughly with the pasta sauce to help bind the bake properly.
  • Reheat leftovers covered in the microwave or oven to maintain moisture and texture.
  • Author: Amelia
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Category: Main Dish
  • Method: Baking
  • Cuisine: Italian-American
  • Diet: Vegetarian