Place sweet potatoes in a large pot and cover with cold water. Bring to a boil and cook for about 20 minutes or until potatoes are tender. Drain and mash with a potato masher.
In a large bowl, combine the mashed sweet potatoes, eggnog, butter, nutmeg, cinnamon, salt, and pepper. Mix until well combined.
Pour the mixture into a 9x13 inch baking dish. Bake in preheated oven for 25 minutes or until golden brown.
Interesting Facts
Eggnog is a popular holiday drink in the United States.
Sweet potatoes are a great source of vitamin A and fiber.
The combination of sweet potatoes and eggnog makes for a unique and delicious side dish.