1 (16 ounce) bottle apple cider
1/2 cup pure maple syrup
1/2 cup butter, softened
1/2 teaspoon ground nutmeg
1/2 teaspoon ground allspice
In slow cooker over low heat, cook apple cider with maple syrup for 20 minutes or until steaming hot.
In a small bowl, combine butter, nutmeg and allspice. Mix well.
Pour cider into mugs and top with a teaspoon of spice butter.