The new potato hit

preparation: 1. Cut the potatoes into large squares and make criss-cross incisions. 2. Add salt, cover with water and leave for 20 minutes. 3. Beat the egg and prepare the sweet and sour sauce. 4. Roll the potatoes in cornstarch and fry until golden brown. 5. Pour the sauce into the pan, boil until thick and pour it over the hot potato pieces. Crispy, sweet and sour and very tasty - almost free and better than the restaurant.