Now mix the chicken, stewed and fresh vegetables and egg, adding salt and pepper to taste, and then carefully wrap in a pre-thawed and rolled out in one direction layer of puff pastry. We grease our strudel with yolk mixed with milk on top – and put it in the oven for 40 minutes. Focus on your technique, if it starts to burn early – cover with foil, if it does not start to brown after 30 minutes – increase the temperature to 220 degrees.