Chicken fillet cut into strips about 1 cm thick. Cut across the grain better. Egg whisk with a pinch of salt, dip the chicken in the egg. And boned chicken strips in breadcrumbs. Better to take coarse crumbs. Fry in hot skillet in vegetable oil on both sides until golden brown. After roasting — remove to a paper towel to get rid of excess oil. While fried chicken (I roasted in 3 games), mix a teaspoon of salt and sumac, pour a tablespoon of boiling water, swelled to seasoning. Add 2 tablespoons of sour cream in the sumac and salt, stir and give it brew for our sauce. When all the chicken is browned, pour out the excess oil from the pan, and the pan is almost dry, lay out all the nuggets. Sprinkle with salt and spices. Blanking lid, set fire to a minimum and give the chicken «walk» 5 Moments.