Cook the rice in boiling salted water according to the package instructions. Peel and halve the onions and cut into strips. Dab meat dry and cut into strips. Heat 2 tablespoons of oil in a frying pan. Sauté the meat in it while turning it over. Season with salt and pepper and remove from the pan.
Heat 1 tablespoon of oil in the frying fat. Fry the onion strips for about 3 minutes, dust with paprika and mix well. Add wine and simmer everything for about 5 minutes. Mix cream and mustard, add to the pan and simmer for 3-4 minutes.
Season the sauce with salt and pepper. Add the meat and warm it up again in the sauce. Arrange escalope strips. Serve with rice. Salad tastes good with it.