Coffee combines with hot chocolate for a bracing drink to be enjoyed on the coldest of mornings.
15 1/2 cups
Combine first 3 ingredients in a Dutch oven. Whisk in milk and coffee until smooth. Cook mixture over medium heat, stirring often, 20 minutes or just until bubbles appear (do not boil); remove from heat. Stir in vanilla. Top each serving with marshmallow crème, if desired.