Source: The Bartender's Guide: How To Mix Drinks page: 71(Another recipe.)
Ingredient: orangeWhat it is: Fruit
Fruit of Citrus sinensis is called sweet orange to distinguish it from Citrus aurantium, the bitter orange.
Ingredient: cloveWhat it is: Spice
Aromatic dried flower buds of a tree in the family Myrtaceae. Cloves are native to Indonesia and India and used as a spice in cuisine all over the world.
1 quart port wine
Ingredient: port wineWhat it is: Port
Portuguese fortified wine from the Douro Valley in the northern provinces of Portugal. It is typically a sweet red wine, but also comes in dry, semi-dry and white varieties. It is often served as a dessert wine.
Ingredient: sugarWhat it is: Additive
Many 19th century recipes specifically called for white sugar, which is more refined and preferred over browner sugars. But modern white sugar is probably too refined, making raw cane sugar the best, easily available choice.
Stick an orange full of cloves, and roast it before a fire. When brown enough, cut it in quarters, and pour over it a quart of hot port wine, add sugar to the taste, let the mixture simmer for half an hour.