Boil the rice in about 1/8 l boiling salted water, cover and let it swell for about 20 minutes. Wash meat and vegetables, cut into strips. Fry meat in hot oil in a coated pan. Season, take out.
Fry the vegetables in the frying fat for about 2 minutes. Sweat tomato paste with. Add stock, simmer for about 3 minutes. Rinse sprouts, fold in with meat and heat up. Season to taste with soy sauce and pepper. Serve everything.