Transform your leftover spaghetti into a delightful and unique meal with this grilled spaghetti sandwich recipe. Combining the comforting flavors of marinara sauce and mozzarella cheese between crispy, buttery bread, this sandwich is sure to become a new favorite.
If you don't usually have marinara sauce or mozzarella cheese at home, make sure to pick them up at the supermarket. Marinara sauce is a tomato-based sauce often used in Italian dishes, and mozzarella cheese is a mild, stretchy cheese that melts beautifully.

Ingredients For Grilled Spaghetti Sandwich
Bread: The base of the sandwich, providing a crispy exterior when grilled.
Spaghetti: Cooked pasta that adds texture and substance to the sandwich.
Marinara sauce: A tomato-based sauce that brings a rich, savory flavor.
Mozzarella cheese: Shredded cheese that melts to create a gooey, delicious filling.
Butter: Used to coat the bread slices, ensuring a golden-brown, crispy finish.
Technique Tip for This Recipe
To ensure your grilled spaghetti sandwich achieves the perfect golden brown crust, make sure the butter is evenly spread on the bread. This will help the bread toast uniformly and prevent any burnt spots. Additionally, use a lid to cover the skillet while grilling; this traps the heat and helps the cheese melt thoroughly, creating a gooey, delicious center.
Suggested Side Dishes
Alternative Ingredients
bread - Substitute with ciabatta: Ciabatta has a similar texture and can hold the ingredients well.
bread - Substitute with sourdough: Sourdough adds a tangy flavor that complements the marinara sauce.
cooked spaghetti - Substitute with cooked linguine: Linguine has a similar shape and texture, making it a good alternative.
cooked spaghetti - Substitute with cooked zucchini noodles: For a low-carb option, zucchini noodles provide a similar texture.
marinara sauce - Substitute with pesto sauce: Pesto offers a different but equally delicious flavor profile.
marinara sauce - Substitute with alfredo sauce: Alfredo sauce gives a creamy texture and a rich flavor.
shredded mozzarella cheese - Substitute with shredded cheddar cheese: Cheddar melts well and adds a sharp flavor.
shredded mozzarella cheese - Substitute with shredded provolone cheese: Provolone has a similar melting quality and a mild flavor.
butter - Substitute with olive oil: Olive oil provides a healthier fat option and a different flavor.
butter - Substitute with margarine: Margarine can be used as a direct substitute for butter in grilling.
Alternative Recipes Similar to This Dish
How To Store or Freeze This Dish
Allow the grilled spaghetti sandwich to cool completely before storing. This prevents condensation, which can make the bread soggy.
Wrap each sandwich individually in aluminum foil or plastic wrap. This helps maintain the sandwich's shape and keeps it from drying out.
Place the wrapped sandwiches in an airtight container or a resealable plastic bag. This adds an extra layer of protection against freezer burn and keeps the sandwiches fresh.
Label the container or bag with the date. This ensures you know how long the sandwiches have been stored, as they are best consumed within 1-2 months for optimal flavor and texture.
When ready to enjoy, remove the sandwich from the freezer and let it thaw in the refrigerator for a few hours or overnight. This gradual thawing helps maintain the sandwich's integrity.
Reheat the sandwich in a preheated oven at 350°F (175°C) for about 10-15 minutes, or until the bread is crispy and the mozzarella cheese is melted. Alternatively, you can reheat it in a skillet over medium heat, flipping occasionally until heated through.
For a quicker option, you can use a microwave. Place the sandwich on a microwave-safe plate and cover it with a damp paper towel. Microwave on medium power for 1-2 minutes, checking frequently to avoid overcooking.
How To Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the grilled spaghetti sandwich on a baking sheet and cover it loosely with aluminum foil. Bake for about 10-15 minutes until heated through. This method helps retain the crispiness of the bread while ensuring the spaghetti and cheese are warm and gooey.
Use a skillet or griddle over medium heat. Add a small amount of butter or olive oil to the pan. Place the sandwich in the skillet, cover it with a lid, and heat for about 3-4 minutes per side. This method helps maintain the crunch of the bread while evenly warming the filling.
For a quick reheat, use a microwave. Place the sandwich on a microwave-safe plate and cover it with a damp paper towel. Microwave on medium power for 1-2 minutes, checking halfway through. Note that this method may make the bread slightly soggy, but it’s a fast option.
If you have an air fryer, preheat it to 350°F (175°C). Place the sandwich in the basket and heat for about 5-7 minutes. This method can help restore the crispiness of the bread while thoroughly warming the spaghetti and cheese inside.
Essential Tools for This Recipe
Skillet: A flat-bottomed pan used for cooking the sandwich over medium heat.
Spatula: A tool for flipping the sandwich to ensure even grilling on both sides.
Butter knife: Used to spread butter on the bread slices.
Measuring cups: For accurately measuring the spaghetti, marinara sauce, and cheese.
Cutting board: A surface to place the bread while buttering and assembling the sandwich.
Tongs: Helpful for handling the hot sandwich when removing it from the skillet.
Plate: To serve the grilled spaghetti sandwich once it's cooked.
Time-Saving Tips for This Recipe
Use pre-cooked spaghetti: Save time by using leftover spaghetti from a previous meal or store-bought pre-cooked spaghetti.
Preheat the skillet: Ensure the skillet is hot before adding the sandwiches to reduce cooking time.
Use shredded cheese: Opt for pre-shredded mozzarella to avoid the extra step of grating.
Assemble ahead: Prepare the sandwiches in advance and store them in the fridge, ready to grill when needed.
Butter quickly: Soften the butter beforehand to make spreading on the bread faster and easier.

Grilled Spaghetti Sandwich
Ingredients
Main Ingredients
- 4 slices bread
- 1 cup cooked spaghetti
- 0.5 cup marinara sauce
- 0.5 cup shredded mozzarella cheese
- 2 tablespoon butter
Instructions
- Preheat a skillet over medium heat.
- Spread butter on one side of each bread slice.
- Place two slices of bread, buttered side down, on the skillet.
- Top with spaghetti, marinara sauce, and cheese.
- Cover with the remaining bread slices, buttered side up.
- Grill until golden brown, about 3-4 minutes per side.
Nutritional Value
Keywords
Suggested Appetizers and Desserts
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