Get a pan, add the the diced potatoes, cook till tender add the carrots, onions and seasonings. Mash the chicken with fork and add to to the potatoes mixture stir and keep aside. Dust flour on the working surface and knead your dough, use a rolling pin and flatten the dough, use a Meatpie cutter and make the shape, add the filling and bring out the shape. Rub butter in your baking tray and arrange the pies, egg wash them and sprinkle sesame on top. Bake for till golden brown