Eggwash Double eggwash gives Wimbledon scones their rich, golden-brown tops.  Over 8,000 baked each day of the tournament by 3rd-generation London family bakery.  Secret recipe of high-quality wheat flour, sugar, milk, baking powder & golden sultanas mixed for 6 mins.  Dough left to ‘relax’, then hand-cut & put on baking trays.  Baking time & temperature…