Some online sources that have hot apple cider recipes are the Food Network, Betty Crocker and Martha Stewart. The Food Network site has a variety of hot apple cider recipes, such as Emeril Lagasse's Hot Apple Cider with Rum recipe.
At the Martha Stewart site, there is a recipe for mulled cider. This recipe contains red wine, maple syrup, sliced apples and tangerines, black peppercorns and cider. The Betty Crocker website has a basic hot apple cider recipe that requires ingredients such as cider, whole cloves, cinnamon sticks and ground nutmeg. These ingredients are heated in a saucepan and allowed to simmer for about 10 minutes. The spices are strained from the cider before serving this beverage.