Wash the chicken breast, pat dry, cut into thin slices and turn in the flour. Peel and finely dice the onion. Clean, core, wash and finely dice the peppers.
Cook rice in salted water according to the instructions on the packet.
Heat the oil in a pan and fry the meat all over. Add the onion, fry, fold in the mustard. Season with salt and pepper. Pour in the stock, let everything simmer for about 5 minutes. Fold in the cream and half of the pepper cubes.
If necessary, season again with the spices.
Garnish the rice with the remaining diced paprika.