To serve: whipped creamcinnamon sticks, and crushed gingerbread cookies (optional)
Instructions
Combine all ingredients except the rum in a small saucepan. Bring to a simmer over medium heat, whisking constantly. Simmer for 5 minutes, or until the chocolate chips are melted. Remove from heat and stir in the rum.
Divide between four glasses or mugs. Top with whipped cream, cinnamon sticks, and crushed gingerbread cookies, if desired.