Spiced Rum Chocolate Caramel Eggnog

Ingredients

• 2 cups whole milk
• 1/2 tsp ground cinnamon, plus more for garnish
• 1/4 tsp ground nutmeg
• 1 tsp pure vanilla extract
• 6 large egg yolks
• 1/2 cup granulated sugar
• 1 cup dark chocolate chips
• 1 cup heavy cream
• 1/2 cup spiced rum (optional)
• 1/4 cup caramel sauce, store-bought or see recipe below
• Whipped cream, for serving
• 1/2 cup butter
• 1/2 cup heavy cream
• 1/2 cup dark brown sugar
• 1 tbsp fancy molasses
• 1 tsp vanilla