Bring the rice to the boil in 40 ml salted water and let it swell over a low heat for about 20 minutes. Wash meat, dab dry and cut into strips. Peel carrot, clean and wash leek. Cut both into thin strips. Clean, wash and slice the mushrooms. Heat the oil in a wok or pan and fry the meat for about 3 minutes.
Season with salt and pepper. Add carrot, leek and mushrooms and sauté briefly. Mix stock, soy sauce, starch and curry, add and bring to the boil. Season to taste again. Arrange with rice and serve garnished with parsley