Knead the dough and leave it to rise for 1 hour, then add more flour until you get an elastic dough.
Boil the chicken breast, then cut it into cubes. Finely chop the onion and pepper, slice the mushrooms and olives.
After the dough has risen, spread it in a greased tray greased with oil and put the tray in the oven for 10-15 minutes, then remove the tray and add the tomato sauce, sour cream, chicken, mushrooms, onions and peppers, cheese cut into pieces or grated, sliced olives, beaten egg and oregano.
Put the tray in the oven for 25-30 minutes.