The best time to “come a-wassailing” is, of course, Christmas week. See About Egg Safety.
Core and bake as for Baked Apples I:
Combine in a saucepan:
Bring to a boil, cover, and cook for 5 minutes. Meanwhile, beat in a large bowl with an electric mixer until stiff but not dry:
Beat in another large bowl until light in color:
Fold the whites into the yolks. Strain the hot sugar and spice syrup into a large pot. Add to the syrup in the pot and heat just until steaming:
Whisking briskly, gradually beat the hot brandy mixture into the egg mixture. Cut the baked apples into chunks and add to the wassail. Ladle into warmed mugs, placing a piece of baked apple in each mug.