Cook the rice for 20 minutes in boiling salted water. Chicken legs, wash, dab dry and season with pepper. Fry in 1 tablespoon of oil in a coated pan for 30 minutes, turning several times.
Soak the mushrooms in lukewarm water. Clean and wash the vegetables. Dice peppers, cut spring onions into wide strips. Cut cauliflower into florets, wash sprouts briefly. Steam vegetables in remaining oil.
Add the mushrooms with the soaking water and braise for about 10 minutes. After half the cooking time, mix in the sprouts and peas. Season chicken legs with salt. Drain rice, fold into the vegetables and season to taste.
Arrange chicken legs on the vegetables. Garnish with parsley.