There are many recipes for eggnog, but traditional ingredients include egg yolks, sugar and milk with the optional addition of spirits such as rum, bourbon or brandy. Vanilla and spices such as nutmeg and cinnamon are often used as eggnog garnishes.
Eggnog is a sweet dairy-based beverage typically served around Thanksgiving and Christmas. There are a multitude of eggnog recipes that use a number of different ingredient combinations and measurements. The Food Network's eggnog recipe includes 4 egg yolks and 3 ounces of bourbon, whereas Martha Stewart's recipe calls for 12 egg yolks and 1/2 cup bourbon. Both yield around six servings, with the former taking 15 minutes to prepare and the latter 30 minutes. The eggnog recipe on Chow.com uses 1 liter of bourbon and adds 3/4 cup brandy and 1/2 cup dark rum.
WikiHow offers three different eggnog recipes. The first, called Easy Eggnog, uses brandy as its spirit and mixes in vanilla extract, nutmeg and cinnamon. The second recipe is named Traditional Eggnog, and it uses heavy whipping cream for a fluffier texture. The third recipe is for an iced eggnog, which uses agave nectar, almond milk and cream sherry. AllRecipes.com provides a non-alcoholic eggnog recipe as well.