In a medium pot, brown the meat in oil.
Add all the vegetables and water. Bring the mixture to a boil.
Place a lid on the pot and reduce the heat. Continue to boil until potato is tender, approximately 15 minutes.
Add the Japanese curry sauce mix/roux to the pot. Stir until the curry mix is completely dissolved. Simmer for a couple more minutes.
Season to taste with salt. Serve over cooked rice.
