Japanese Curry Rice, also known as Kare Raisu, is a popular comfort food in Japan. It is a mild and slightly sweet curry that is often served with rice. This recipe uses a pre-made curry roux, which makes it quick and easy to prepare. Simply sauté onions, carrots, and potatoes, add water and the curry roux, and let it simmer until the vegetables are tender. The result is a thick and flavorful curry that is perfect for a cozy dinner at home.