In a medium bowl, combine the softened ½ cup unsalted butter, ½ cup brown sugar, ½ teaspoon ground cinnamon, ¼ teaspoon ground nutmeg, ⅛ teaspoon ground cloves, 1 teaspoon vanilla extract and ⅛ teaspoon fine sea salt until well combined.
Add a heaping tablespoon of the butter mixture to your mug.
Stir in the ¾ cup spiced rum and 2 cups boiling water, stir until butter mixture dissolves and well combined
Serve hot with cinnamon stick, vanilla ice cream or whipped cream, if desired.
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Notes
Storage:Store any of your leftover hot buttered rum recipe in an airtight container in the refrigerator.Reheating: Reheat it over low heat in a saucepan. Putting it over too high of heat will cause the spices to separate and kill off alcohol from spiced rum. Then remove from heat and pour into your glasses.Freezing: You can freeze the spiced butter mixture, but I do not recommend trying to freeze the made beverage. Alcohol doesn’t freeze.