Spaghetti Napolitan

Japanese Ketchup Spaghetti

Learn how to make this Japanese family favorite, Spaghetti Napolitan! Made with sausage, bell peppers, onion, and mushrooms cooked in a sweet ketchup sauce, mixed with perfectly cooked al dente pasta and topped with a fried egg.

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Spaghetti Napolitan


2 servings


Wafu Pasta


25 minutes




what you'll need:

» hot dog sausages » yellow onion  » green bell peppers » button mushrooms » olive oil » ketchup » Worcestershire sauce

what you'll need:

» unsalted butter » salt » dry spaghetti » eggs » salt and pepper » parmesan cheese » dry parsley

Boil water

Bring a large pot of water to a boil and add 1 tsp of salt for every liter of water. This will be for the pasta.


Fry sausages

Heat a large pan on medium and add olive oil. Once hot, add the hot dog sausages and fry for 1-2 minutes.


Add vegetables

Add the onions and fry for 2 minutes, then add the bell peppers and mushrooms and fry for another 1-2 minutes.


Add ketchup

Add the ketchup and lower the heat to stop it from burning. Mix well.


Remove from heat

Add Worcestershire sauce and butter, and mix well. Once the butter has melted, remove the pan from the heat and set aside.


Cook the pasta

Once the pot of water has come to a rolling boil, add the pasta and boil for the time stated on the packaging.


Fry the eggs

In a separate pan, fry the eggs over a medium heat with a pinch of salt and pepper.


Add the pasta

Return the pan to a medium heat and add the pasta and a few tbsp of pasta water. Warm through, add more ketchup, a sprinkle of parmesan and mix well.



Serve with a fried egg and a sprinkle of dry parsley. Enjoy!


See the full post for more information plus substitutes and additional ingredient ideas!