Zoe Hayes

all purpose flour • sugar • baking soda • baking powder • salted butter (170g), room temperature • egg whites • vanilla extract • sour cream • milk • Icing: • butter • shortening •

egg yolks • water • corflour • castor sugar • vanilla extract • butter • whole milk • heavy whipping cream • crescent dough ( or puff pastry) • powdered sugar • Juice of 1/2 lemon • Zest of 1 lemon