Japanese Mentaiko Spaghetti is a popular pasta dish in Japan that features a creamy and spicy cod roe sauce. The dish is known for its unique umami flavor and vibrant red color. The spaghetti is cooked al dente and then tossed in a sauce made from mentaiko, which is marinated cod roe. The sauce is creamy and slightly spicy, adding a delicious kick to the dish. This Japanese twist on spaghetti is a must-try for seafood lovers and those looking for a new and exciting pasta dish.